rac-1-[(3R,4S)-4-phenyloxan-3-yl]methanamine

2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-3-yl]formamido}-5-methoxypentanoic acid

4-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-dimethylhexanamido]-3-methylbutanoic acid

3-(N-cyclopropyl-2-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}acetamido)propanoic acid

4-chloro-2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutaneamido]benzoic acid

3,5-dichloro-2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]benzoic acid

(2S)-2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-phenylpropanoic acid

2-{4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]morpholin-3-yl}acetic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanoyl]-2-(propan-2-yl)-1,3-thiazolidine-4-carboxylic acid

2-(4-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutaneamido}-1H-pyrazol-1-yl)acetic acid

(2S)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}-3-methylpentanoic acid