4-(4-Fluorophenyl)-1-(2,2,2-trifluoroacetyl)piperidine-4-carboxylic acid

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

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoro-2-methylpropanoyl]-3-methylazetidine-3-carboxylic acid

4-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-2-hydroxybutanoic acid

(1RS&,2SR&)-2-[(1RS,5SR)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-amido]cyclopentane-1-carboxylic acid

2-{[(Benzyloxy)carbonyl](2-methoxyethyl)amino}-2-(2-bromophenyl)acetic acid

Tert-butyl 3-(prop-1-en-2-yl)piperidine-2-carboxylate

rac-(1R,5S)-5-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]cyclohex-3-ene-1-carboxylic acid

2-[4-(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetamido)thian-4-yl]acetic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,5-dimethylhex-4-enamido]cyclobutane-1-carboxylic acid

2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopent-1-en-1-yl]formamido}-5-methylhex-4-enoic acid