1-[2-(Toluene-4-sulfonylamino)-acetyl]-pyrrolidine-2-carboxylic acid [2-oxo-2-piperidin-1-yl-1-(4-thiocarbamoyl-benzyl)-ethyl]-amide
1-[2-(Toluene-4-sulfonylamino)-acetyl]-pyrrolidine-2-carboxylic acid [1-butylcarbamoyl-2-(4-thiocarbamoyl-phenyl)-ethyl]-amide
1-[2-(Toluene-4-sulfonylamino)-acetyl]-pyrrolidine-2-carboxylic acid [1-(4-cyano-benzyl)-2-morpholin-4-yl-2-oxo-ethyl]-amide
1-[2-(Toluene-4-sulfonylamino)-acetyl]-pyrrolidine-2-carboxylic acid [1-(4-cyano-benzyl)-2-oxo-2-piperidin-1-yl-ethyl]-amide
1-[2-(Toluene-4-sulfonylamino)-acetyl]-pyrrolidine-2-carboxylic acid [2-oxo-2-pyrrolidin-1-yl-1-(4-thiocarbamoyl-benzyl)-ethyl]-amide