EXO-2-METHYL-5-(HYDROXYMETHYLENE)-EXO,EXO-8,9-(ISOPROPYLIDENEDIOXY)-3-OXA-CIS-BICYCLO-[4.3.0]-NONAN-4-ONE

EXO-2-METHYL-5-(METHOXYMETHYLENE)-ENDO,ENDO-8,9-(ISOPROPYLIDENEDIOXY)-3-OXA-CIS-BICYCLO-[4.3.0]-NONAN-4-ONE

EXO-2-METHYL-5-(HYDROXYMETHYLENE)-ENDO,ENDO-8,9-(ISOPROPYLIDENEDIOXY)-3-OXA-CIS-BICYCLO-[4.3.0]-NONAN-4-ONE

EXO-2-METHYL-5-(METHOXYMETHYLENE)-8,9-DIHYDROXY-3-OXA-CIS-BICYCLO-[4.3.0]-NONAN-4-ONE

(E,4E)-N-[(E)-3-[(3Z,5S,6E,8R,12S)-5,16-dihydroxy-10,14-diketo-4,8-dimethyl-9,13-dioxabicyclo[13.4.0]nonadeca-1(15),3,6,16,18-pentaen-12-yl]prop-1-enyl]-4-methoxyimino-but-2-enamide

acetic acid [(9S,10R,11R,12S)-9,10-diacetoxy-12-[[6-allyloxy-9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenyl-methoxy]methyl]-4-[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxy-tetrahydrofuran-2-yl]purin-2-yl]amino]-9,10,11,12-tetrahydrobenzo[c]phenanthren-11-yl] ester

(4S,5R,6S)-4-[2-[[(1S)-1-(1H-indol-3-ylmethyl)-2-keto-2-methoxy-ethyl]amino]-2-keto-ethyl]-6-[(2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydropyran-2-yl]oxy-5-vinyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester

(E,4E)-N-[(E)-3-[(3Z,5S,6E,8S,12S)-5,16-dihydroxy-10,14-diketo-4,8-dimethyl-9,13-dioxabicyclo[13.4.0]nonadeca-1(15),3,6,16,18-pentaen-12-yl]prop-1-enyl]-4-methoxyimino-but-2-enamide

2-[[(E,6R)-6-[(3S,4S,5S,10S,13R)-3-hydroxy-4,10,13-trimethyl-2,3,4,5,6,7,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-hept-2-enoyl]amino]-2-phenyl-acetic acid methyl ester

4-[[2-[[2-[[1-[2-[(2-acetamido-3-phenyl-propanoyl)amino]-4-methyl-pentanoyl]pyrrolidine-2-carbonyl]amino]-5-hydroxy-5-keto-pentanoyl]amino]-3-hydroxy-butanoyl]amino]-5-[2-(allylcarbamoyl)pyrrolidin-1-yl]-5-keto-valeric acid