[1-Benzothiophen-3-yl(pyridin-3-yl)methyl](ethyl)amine

2-[(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]piperidin-2-yl]acetic acid

3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-propylpentanamido]propanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-N-propylbutanamido]propanoic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoro-N-propylpropanamido]propanoic acid

2-({[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}methyl)-3,3,3-trifluoropropanoic acid

1-[1-(3-nitro-1H-pyrazol-4-yl)cyclopropyl]ethan-1-one

2-({[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}methyl)-3,3,3-trifluoropropanoic acid

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

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

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