SO2(p-tolyl)2, 4,4'-dimethyldiphenyl sulphone, Di-p-tolyl sulfone, 4,4'-dimethyl diphenyl sulfone, p,p'-Ditolyl sulfone, Bis(4-methylphenyl) sulfone, 1,1'-sulfonylbis(4-methylbenzene), p-Tolyl sulfone, Benzene, 1,1‘-sulfonylbis[4-methyl-, 4,4'-Ditolyl sulfone, 4,4-bis-benzenesulfonyl methane, 4,4'-sulfonylbis(methylbenzene), Sulfone,di-p-tolyl, p-tolyl sulfone(8ci)