Caffeine
Compound with spectra: 14 NMR, 10 FTIR, 2 Raman, and 66 MS (GC)
| SpectraBase Compound ID | 5mzfOFTj9A9 |
|---|---|
| InChI | InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3 |
| InChIKey | RYYVLZVUVIJVGH-UHFFFAOYSA-N |
| Mol Weight | 194.19 g/mol |
| Molecular Formula | C8H10N4O2 |
| Exact Mass | 194.080376 g/mol |
| Copyright | Copyright © 2012-2024 John Wiley & Sons, Inc. Portions provided by AAFS, Toxicology Section. All Rights Reserved. |
|---|---|
| Source of Spectrum | Mass Spectrometry Committee of the Toxicology Section of the American Academy of Forensic Sciences |
| Copyright | Copyright © 2012-2024 John Wiley & Sons, Inc. Portions provided by AAFS, Toxicology Section. All Rights Reserved. |
|---|---|
| Source of Spectrum | Mass Spectrometry Committee of the Toxicology Section of the American Academy of Forensic Sciences |
| Copyright | Copyright © 2012-2024 John Wiley & Sons, Inc. Portions provided by AAFS, Toxicology Section. All Rights Reserved. |
|---|---|
| Source of Spectrum | Mass Spectrometry Committee of the Toxicology Section of the American Academy of Forensic Sciences |
| Copyright | Copyright © 2012-2024 John Wiley & Sons, Inc. Portions provided by AAFS, Toxicology Section. All Rights Reserved. |
|---|---|
| Source of Spectrum | Mass Spectrometry Committee of the Toxicology Section of the American Academy of Forensic Sciences |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2023-2024 Wiley-VCH GmbH. All Rights Reserved. |
|---|---|
| Source of Spectrum | H.H.Maurer, M.Meyer, K.Pfleger, A.A. Weber / University of Saarland, D-66424 Homburg Germany |
| Technique | GC/MS |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved. |
|---|---|
| Source of Spectrum | DigiLab GmbH (C) 2024 |
| Technique | GC/MS |
| Copyright | Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved. |
|---|---|
| Source of Spectrum | DigiLab GmbH (C) 2024 |
| Technique | GC/MS |
| Copyright | Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved. |
|---|---|
| Source of Spectrum | DigiLab GmbH (C) 2024 |
| Technique | GC/MS |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | Adams' Essential Oil Components (GC-MS), Version 4 |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Sample | SAFC Cat.no. W222402 |
| Source of Spectrum | Prof. L. Mondello (Chromaleont s.r.l./Univ. Messina, Italy) |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Sample | SAFC Cat. #W222402 |
| Source of Spectrum | Prof. L. Mondello (Chromaleont s.r.l./Univ. Messina, Italy) |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | PG-1982-1939-0 |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | OM-1981-515-0 |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | SWG-33-2768-0 |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | KO-7-191-5 |
| Copyright | Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved. |
|---|---|
| Source of Spectrum | Chemical Concepts, A Wiley Division, Weinheim, Germany |
| Copyright | Copyright © 2016-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | SAFC Cat. #W222402 |
| Source of Spectrum | Prof. L. Mondello (Chromaleont s.r.l./Univ. Messina, Italy) |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | PG-1982-1939-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | OM-1981-515-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | SWG-33-2768-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | Y1-41-1095-1 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | SRH-2022-558-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | SRH-2022-3477-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | SRH-2022-3511-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | Adams' Essential Oil Components (GC-MS), Version 4 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | CAY-2023-1584-0 |
| Catalog Number | <a href=https://www.caymanchem.com/product/14118>14118</a> |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | AA-0-1351-1 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | W-0-1056-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | MZ-0-0-4 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | LQ-1992-2578-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | NW-1061-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | EP-8412-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | EP-4401-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | MI-0-59-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | KO-7-191-5 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | WS-1986-65-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JH-1982-170-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | CD-305-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JH-1982-126-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JC-603-189-4 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | W5-1989-6080-1 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JZ-1992-5730-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JZ-1992-40-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JZ-1992-3134-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JZ-1992-3310-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | KO-4-175-3 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | DB-0-15-2 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JZ-1992-1673-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | TE-1992-789-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | D5-0-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | B4-0-0-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JA-4-38-0 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JC-363-154-1 |
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Spectrum | JA-13-270-0 |
| Copyright | Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Alltech Associates, Inc., Grace Davison Discovery Sciences |
| Source of Spectrum | Forensic Spectral Research |
| Catalog Number | 01728 |
| Copyright | Copyright © 2016-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | TCI Chemicals India Pvt. Ltd. |
| Source of Spectrum | Bio-Rad Laboratories, Inc. |
| Catalog Number | 39214 |
| Copyright | Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Aldrich |
| Catalog Number | C53 |
| Copyright | Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Aldrich |
| Catalog Number | W222402 |
| Copyright | Copyright © 2016-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Alfa Aesar, Thermo Fisher Scientific |
| Source of Spectrum | Bio-Rad Laboratories, Inc. |
| Catalog Number | 39214 |
| Copyright | Copyright © 2012-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Alltech Associates, Inc., Grace Davison Discovery Sciences |
| Source of Spectrum | Forensic Spectral Research |
| Catalog Number | 01728 |
| Copyright | Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Monsanto Company, St. Louis, Missouri |
| Technique | KBr WAFER |
| Copyright | Copyright © 2016-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Alfa Aesar, Thermo Fisher Scientific |
| Source of Spectrum | Bio-Rad Laboratories, Inc. |
| Catalog Number | 39214 |
| Technique | KBr1 |
| Copyright | Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Monsanto Company, St. Louis, Missouri |
| Technique | KBr WAFER |
| Copyright | Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Sigma-Aldrich Co. LLC. |
| Source of Spectrum | Sigma-Aldrich Co. LLC. |
| Catalog Number | W222402 |
| Technique | Mull |
| Copyright | Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Sigma-Aldrich Co. LLC. |
| Source of Spectrum | Sigma-Aldrich Co. LLC. |
| Catalog Number | W222402 |
| Technique | Between salts |
| Copyright | Database Compilation Copyright © 2021-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Source of Sample | Aldrich Chemical Company, Inc., Milwaukee, Wisconsin |
| Solvent | Chloroform-d; Reference=TMS Spectrometer= Varian CFT-20 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | DMSO-D6 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | DMSO-D6 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | DMSO-D6 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | DMSO-D6 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | CDCl3 |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | Unknown |
| Copyright | Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved. |
|---|---|
| Solvent | CD3OD |
| Copyright | Database Compilation Copyright © 2021-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
| Copyright | Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|---|
| Solvent | CDCl3 |
| Copyright | Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved. |
|---|
- 1,3,7-Trimethylxanthine
- Methyltheobromine
- 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
- 1,3,7-Trimethyl-2,6-dioxopurine
- CAFFEINE;REFERENCE-11
- CAFFEINE;3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6-DIONE
- 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-
- Coffeine
- 1,3,7-TRIMETHYL-3,7-DIHYDRO-PURINE-2,6-DIONE
- Thein
- Coffein
- 1,3,7-Trimethylpurine-2,6-dione
- 1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
- Nix Nap
- Synalgos-DC
- Tri-Aqua
- Alert-Pep
- Stim
- Eldiatric C
- Anacin
- component of P-A-C Compound
- Kofein
- Miudol
- Nodaca
- Theine
- Tirend
- component of A.S.A. Compound
- Cafamil
- Cafecon
- Cafeina
- Caffein
- Caffine
- Cafipel
- Dexitac
- Dhcplus
- Koffein
- Mateina
- Organex
- Phensal
- Vivarin
- Cafergot
- Caffeina
- Durvitan
- Hycomine
- Norgesic
- Synalgos
- Vanquish
- Wigraine
- Coffeinum
- Guaranine
- Quick-pep
- Refresh'n
- Caffedrine
- Sk-65 compound
- Methyltheobromin
- Hycomine compound
- Methyltheobromide
- Anhydrous caffeine
- component of Midol
- Monomethyl derivative of Theophylline
- Caffeine, anhydrous
- Caffeine, synthetic
- component of Dilone
- 7-Methyltheophylline
- component of Ansemco 2
- component of Cafergot
- component of Percodan
- Midol maximum strength
- Theobromine, 1-methyl-
- Theophylline, 7-methyl
- Anacin maximum strength
- Propoxyphene compound 65
- A.s.a. and codeine compound
- Bayer select headache pain
- 3,7-Dihydro-1,3,7-trimethyl-1H-purin-2,6-dion (coffein)
- Methylxanthine theophylline
- Xanthine, 1,3,7-trimethyl
- p-a-c analgesic tablets
- DASIN
- HSDB 36
- CCRIS 1314
- FEMA NO. 2224
- NCI-C02733
- EINECS 200-362-1
- NSC 5036
- BRN 0017705
- AI3-20154
- 1,3,7-trimethyl-1H-purine-2,6(3H,7H)-dione-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
1,3-Diethyl-7-methylxanthine
1,3,7-Trimethylguanine
6-SELENOCAFFEINE
1,4,6-TRIMETHYL-1,2,3-TRIAZOLO-[4,5-D]-PYRIMIDINE
1H-Purine-2,6-dione, 3,7-dihydro-8-(hydroxymethyl)-1,3-dimethyl-
1,2,3,7-Tetrahydro-1,2,3,7-tetramethyl-6H-purin-6-one-Hydrochloride
1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dithione
8-bromotheophylline, compound with 2-amino-2-methyl-1,3-propanediol(1.1)
8-bromotheophylline, compd. with 2-amino-2-methyl-1-propanol (1:1)
8-bromotheophylline, compd. with 2-amino-4-picoline (1:1)
| Title | Journal or Book | Year |
|---|---|---|
| Separation of Polyphenols and Caffeine from the Acetone Extract of Fermented Tea Leaves (Camellia sinensis) Using High-Performance Countercurrent Chromatography | Molecules | 2015 |
| Synthesis and Biological Activity of 6-Selenocaffeine: Potential Modulator of Chemotherapeutic Drugs in Breast Cancer Cells | Molecules | 2013 |
| Chemical Profiles and Identification of Key Compound Caffeine in Marine-Derived Traditional Chinese Medicine Ostreae concha | Marine Drugs | 2012 |
| Complex mixture analysis of organic compounds in green coffee bean extract by two-dimensional NMR spectroscopy | Magnetic Resonance in Chemistry | 2010 |
| Análises quali- e quantitativa de cafés comerciais via ressonância magnética nuclear | Química Nova | 2006 |
| Study of the prototropic tautomerism of 8-azatheophylline by13C and15N NMR spectroscopy | Magnetic Resonance in Chemistry | 1987 |
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