N-Methyl-N-(oxetan-3-yl)pyrrolidin-3-amine

2-({2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]ethyl}sulfanyl)acetic acid

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-2-hydroxypropanoic acid

rac-2-({[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptyl]formamido}oxy)acetic acid

rac-3-{1-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptyl]-N-methylformamido}-2-methylpropanoic acid

rac-2-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptyl]formamido}pent-4-ynoic acid

(2S)-2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}butanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoropropanamido]propanoic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexanecarbonyl}pyrrolidine-3-carboxylic acid

2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5-dimethylhexanamido]-2-methylbutanoic acid

2-[N-(cyclopropylmethyl)-6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylhexanamido]acetic acid