5-(3,5-Dichlorophenyl)-1,3,4-oxadiazol-2(3H)-one

rac-2-cyclobutyl-2-{[(1R,3R,5R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexan-1-yl]formamido}acetic acid

(3aRS,6aRS)-4-[(1RS&,2SR&)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl]-hexahydro-2H-furo[3,2-b]pyrrole-5-carboxylic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-carbonyl]-3-methylazetidine-3-carboxylic acid

2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-3-yl]formamido}-3-hydroxy-2-methylpropanoic acid

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

tert-butyl 3-(5-amino-6-fluoro-1H-1,2,3-benzotriazol-1-yl)azetidine-1-carboxylate

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

3-(dimethylamino)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}propanoic acid

4-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}-3,3-dimethylbutanoic acid

2-[(4Z)-3-methyloxan-4-ylidene]butanoic acid