1-{[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-3-(2-methylpropyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione

5-(4-Aminobutyl)thiophene-2-carbonitrile

5-[[(1R,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopentanecarbonyl]-methylamino]pentanoic acid

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

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]morpholine-3-carboxylic acid

2-{1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]cyclobutyl}acetic acid

1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]-4-methylpyrrolidine-3-carboxylic acid

2-cyclopropyl-2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]propanoic acid

2-{1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]pyrrolidin-2-yl}acetic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[(4-methyl-4H-1,2,4-triazol-3-yl)methyl]carbamoyl}butanoic acid

3-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[2.2.1]heptan-2-yl]-N-methylformamido}-2-methylpropanoic acid