1-(3,5-Difluorophenyl)-2-(methylamino)ethan-1-ol

(3R)-3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-fluorophenyl]formamido}butanoic acid

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

3-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-hydroxypropanoic acid

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]cyclopent-2-ene-1-carboxylic acid

3-[benzyl(methyl)amino]-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]propanoic acid

3-[benzyl(methyl)amino]-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]propanoic acid

4-[2-(difluoromethyl)-2-methylmorpholin-4-yl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

rac-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[(1R,2R)-2-hydroxycyclohexyl](methyl)carbamoyl}propanoic acid

4-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}but-2-ynoic acid

4-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)but-2-ynoic acid