4-13-00-00217 (Beilstein Handbook Reference) 41595-29-3 BRN 3015938 Benzenesulfonamide, N,N'-1,4-phenylenebis(4-methyl- N,N'-1,4-Phenylenebis(4-methylbenzenesulfonamide) p-Toluenesulfonamide, N,N'-p-phenylenebis-