2,3-bis(4-nitrophenylamino)-4-cyclopentenone

2,3-bis-(4-nitro-phenyl)-4,5-diphenyl-thiophene

2,3-bis[4-(dimethylamino)phenyl]naphthalene-1,4-dione

2,3-bis(4-methoxyphenyl)-1H-1,2,4-triazole-5-thione

2,3-bis[(4-methylphenyl)methyl]phenol

2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid,3-(ethoxymethyl)-4-octoxyaniline

2,3-bis(4-methylphenyl)-5,6,7,8-tetrahydro-1,4-dioxocine

tert-butyl N-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethyl]-N-[3-[[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]amino]-3-oxo-propyl]carbamate

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

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

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

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

N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]-15-iodo-pentadecanamide

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

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

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

(2S,4R)-1-[(2S)-3,3-dimethyl-2-(11-oxoundecanoylamino)butanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide