7beta-Hydroxybufalin

7beta-(2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido)-3-methyl-3-cephem-4-carboxylic acid glycylaminobenzoyloxymethyl ester

7beta,12alpha-Dihydroxykaurenolide

(7S,8R,9S,10S,13R,14S,17R)-17-[(2R)-7-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-7-ol

7BETA-ACETOXY-1ALPHA,6BETA-DIHYDROXY-8,13-EPOXY-LABD-14-EN-11-ONE

7beta-Amino-3-[3-Amino-2-(2-Hydroxyethyl)-1-Pyrazolio]Methyl-3-Cephem-4-Carboxylate Hydrochloride

(3S,7R,8S,9S,10R,13R,14S,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

4-[(3-chloropyridin-2-yl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(1-hydroxy-4-methylpentan-3-yl)carbamoyl]butanoic acid

1-(Azidomethyl)-8-cyclopropyl-2-oxa-8-azaspiro[4.5]decane

2-cyclopropyl-2-[(3S)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-5-methylhexanamido]acetic acid

2-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(prop-2-yn-1-yl)butanamido]acetic acid

1-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]acetyl}piperidine-2-carboxylic acid

2-{2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]cyclohexyl}acetic acid

2-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-2-methylpentanoic acid

3-cyclobutyl-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)furan-2-yl]formamido}propanoic acid

1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-3-methylazetidine-3-carboxylic acid