4-Methyl-N-(((phenylmethyl)amino)(2-propynylamino)methylene)benzenesulfonamide 71795-21-6 Benzenesulfonamide, 4-methyl-N-(((phenylmethyl)amino)(2-propynylamino)methylene)-, Benzyl-1 (propyne-2-yl)-3 p-toluenesulfonyl-2 guanidine [French]