N-[1-(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl]-3,3-diphenylpropanamide

3-[benzyl(methyl)amino]-2-[(4S)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5,5,5-trifluoropentanamido]propanoic acid

3-[N-benzyl-6-cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]propanoic acid

2-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl}formamido)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid

rac-2-(cyclopropylmethyl)-3-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}propanoic acid

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

3-ethyl-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]azetidine-3-carboxylic acid

3-ethyl-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]azetidine-3-carboxylic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-3-carbonyl]thiomorpholine-2-carboxylic acid

3-[7-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylheptanamido]cyclobutane-1-carboxylic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-3-azabicyclo[3.1.0]hexane-1-carboxylic acid