N-{[1-(4-Cyano-benzyl)-2-morpholin-4-yl-2-oxo-ethylcarbamoyl]-methyl}-2-(toluene-4-sulfonylamino)-acetamide

N-Butyl-3-(4-thiocarbamoyl-phenyl)-2-{2-[2-(toluene-4-sulfonylamino)-acetylamino]-acetylamino}-propionamide

N-{[1-(4-Carbamimidoyl-benzyl)-2-morpholin-4-yl-2-oxo-ethylcarbamoyl]-methyl}-2-(toluene-4-sulfonylamino)-acetamide; hydriodide

4-(2-Butylcarbamoyl-2-{2-[2-(toluene-4-sulfonylamino)-acetylamino]-acetylamino}-ethyl)-thiobenzimidic acid methyl ester; hydriodide

N-{[1-(4-Cyano-benzyl)-2-oxo-2-pyrrolidin-1-yl-ethylcarbamoyl]-methyl}-2-(toluene-4-sulfonylamino)-acetamide