10033-92-8 2,4-Dimethyl-2,5-dihydrothiophene 1,1-dioxide 2,4-Dimethyl-3-sulfolene 2,4-Dimethylsulfolene 2,4-Dimethylsulfolene-3 AIDS-125074 AIDS125074 NSC60698 Thiophene, 2,5-dihydro-2,4-dimethyl-, 1,1-dioxide