4-[4-(5-Chloropyrimidin-2-yl)piperazin-1-yl]-2-methyl-6-(trifluoromethyl)pyrimidine

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-3-hydroxy-3-methylbutanoic acid

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

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanoyl]-3-(propan-2-yl)pyrrolidine-3-carboxylic acid

rac-(3R,4R)-1-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylhexanoyl]-4-methylpyrrolidine-3-carboxylic acid

2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}-2-methylpropanoic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-methoxypropanoic acid

2-[(2S)-N-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]acetic acid

4-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-2-methylbutanoic acid

2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]pent-4-enoic acid

2-[4-ethyl-6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylhexanamido]acetic acid