3-13-00-01253 (Beilstein Handbook Reference) 33871-62-4 4,4'-Bis(dimethylaminodiphenyl)sulfone 4,4'-Bis-dimethylaminodiphenyl sulfone 4,4'-Sulfonylbis(N,N-dimethylbenzenamine) BRN 3059296 Benzenamine, 4,4'-sulfonylbis(N,N-dimethyl-