benzyl 2-(2-(1,3,4-oxadiazol-2-yl)-1H-indol-1-yl)acetate

3-{1-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]azetidin-3-yl}propanoic acid

1-(1,3-dimethyl-1H-pyrazol-5-yl)cyclopropane-1-carbaldehyde

3-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(thiophen-2-yl)acetyl]azetidin-3-yl}propanoic acid

2-{N-benzyl-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}acetic acid

(2S)-3-(dimethylamino)-2-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl}formamido)propanoic acid

(2S)-3-(dimethylamino)-2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}propanoic acid

(2S)-3-(dimethylamino)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]propanoic acid

(4R)-3-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-1,3-thiazolidine-4-carboxylic acid

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

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-4,4-dimethylpyrrolidine-3-carboxylic acid