rac-3-{N-ethyl-2-[(1R,2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetamido}propanoic acid

(2S,4R)-1-[(2S)-2-[3-[2-(4-aminophenoxy)ethoxy]propanoylamino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-{2-[3-(4-aminophenoxy)propoxy]acetamido}-3,3-dimethylbutanoyl]-4-hydroxy-N-{[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl}pyrrolidine-2-carboxamide

3-[2-[2-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]-N-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]propanamide

(2S,4R)-1-[(2S)-2-[[2-[2-[2-(2-chloroethoxy)ethoxy]ethoxy]acetyl]amino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-4-hydroxy-1-[(2S)-2-(6-iodohexylamino)-3,3-dimethyl-butanoyl]-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2R,4S)-1-[(2S)-2-(12-aminododecanoylamino)-3,3-dimethyl-butanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-(13-aminotridecanoylamino)-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

11-[[(1S)-1-[(2S,4R)-4-hydroxy-2-[[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]carbamoyl]pyrrolidine-1-carbonyl]-2,2-dimethyl-propyl]amino]-11-oxo-undecanoic acid

tert-butyl 7-[[(1S)-1-[(2S,4R)-4-hydroxy-2-[[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]carbamoyl]pyrrolidine-1-carbonyl]-2,2-dimethyl-propyl]amino]-7-oxo-heptanoate

methyl 10-[[(1S)-1-[(2S,4R)-4-hydroxy-2-[[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]carbamoyl]pyrrolidine-1-carbonyl]-2,2-dimethyl-propyl]amino]-10-oxo-decanoate