5-(1-Isobutylpyrrolidin-2-yl)-1H-indole

5-[3-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]pentanoic acid

tert-butyl N-[4-hydroxy-4-(thiophen-2-yl)butan-2-yl]carbamate

4-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-3-methylbutanoic acid

rac-5-{[(1R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-2-methylpentanoic acid

5-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]cyclohex-3-ene-1-carboxylic acid

3-{[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}-2,2-difluorocyclopropane-1-carboxylic acid

rac-(1R,2S)-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5-dimethylhexanamido]methyl}cyclopropane-1-carboxylic acid

2-cyclobutyl-2-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl}formamido)acetic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}-2-methylpiperidine-4-carboxylic acid

rac-2-[N-(2,2-dimethylpropyl)-1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl]formamido]acetic acid