1-[5-(Aminomethyl)-1,3,4-oxadiazol-2-yl]azetidine-2-carboxamide

5-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]methyl}-1,2-oxazole-3-carboxylic acid

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

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

1-[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylbutanamido]cyclobutane-1-carboxylic acid

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

2-(1,4-dimethyl-1H-pyrazol-5-yl)ethane-1-sulfonyl fluoride

1-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]azetidine-3-carboxylic acid

2-{3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido}-3-hydroxy-2-methylpropanoic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

1-({[1-benzyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)piperidin-4-yl]formamido}methyl)cyclopropane-1-carboxylic acid