Structure of 443547. 4,4'-Bis(p-toluenesulfonylaminocarbonylamino)diphenylmethane; 4,4'-Bis(p-toluenesulfonylaminocarboxylamino)diphenylmethane; 4,4'-Bis(p-tolylsulfonylureido)diphenylmethane; N,N'-[methylenebis(4,1-phenyleneiminocarbonyl)]bis[4-methyl-Benzenesulfonamide