(Z)-3-(3-bromophenyl)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile

4-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}butanoic acid

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

2-[({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)methyl]-3,3,3-trifluoropropanoic acid

2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]methyl}-3,3,3-trifluoropropanoic acid

4-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]benzoic acid

(2S)-3-methoxy-2-{[(1rs,4rs)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}propanoic acid

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]-4-methylpentanoic acid

2-{2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]acetamido}acetic acid

(2RS,3SR)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]oxolane-2-carboxylic acid

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