4-(2-succinimidoethylthio)phenol
trans-4-[(((S)-5-chloro-indan-1-yl)-{4-[2-(2,5-dioxo-pyrrolidin-1-yl)-ethoxy]-3-methoxy-benzyl}-amino)-methyl]-cyclohexane-carboxylic acid
trans-4-[([(S)-1-(4-chloro-phenyl)-ethyl]-{4-[2-(2,5-dioxo-pyrrolidin-1-yl)-ethoxy]-3-methoxy-benzyl}-amino)-methyl]-cyclohexanecarboxylic acid
cis-4-[([1-(2,3-dihydro-benzofuran-5-yl)-ethyl]-{4-[2-(2,5-dioxo-pyrrolidin-1-yl)-ethoxy]-3-methoxy-benzyl}-amino)-methyl]-cyclohexanecarboxylic acid