Bio-Rad Laboratories, Inc. SpectraBase; SpectraBase Compound ID=12ZfrerG2G
http://spectrabase.com/compound/12ZfrerG2G (accessed Nov 19, 2018).

2-METHYL-5-OXO-2-PHENYL-3-PYRAZOLINIUM HYDROXIDE, INNER SALT
SpectraBase Compound ID 12ZfrerG2G
InChI InChI=1S/C10H10N2O/c1-12(8-7-10(13)11-12)9-5-3-2-4-6-9/h2-8H,1H3
InChIKey PUGGPGLWAIHGNN-UHFFFAOYSA-N
Mol Weight 174.2 g/mol
Molecular Formula C10H10N2O
Exact Mass 174.079313 g/mol