N-((2-(2-oxopyrrolidin-1-yl)pyridin-4-yl)methyl)-4-(trifluoromethyl)benzamide

(1R,5S)-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enoyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

(1R,5S)-3-[3-cyclopropyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

(1R,5S)-3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanoyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

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

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

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

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

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

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

2-cyclobutyl-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)butanamido]acetic acid