(4-(Cyclopropylsulfonyl)piperazin-1-yl)(2-(methylthio)phenyl)methanone

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

5-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanamido]pyridine-2-carboxylic acid

2-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxyphenyl]formamido}acetic acid

3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(trifluoromethyl)pentanamido]-2-hydroxypropanoic acid

(2S)-2-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4-methoxy-4-oxobutanoic acid

1-[N-methyl2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-4-amido]cyclopentane-1-carboxylic acid

3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,4-dimethylpentanamido]oxolane-3-carboxylic acid

[5-(3-methylbutyl)-1-(pentan-3-yl)-1H-1,2,3-triazol-4-yl]methanamine

5-{6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl}-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-(7-methyl-1,4-thiazepan-4-yl)-5-oxopentanoic acid