2-Propenoic acid, 2-methyl-, tetrahydro-3,4-thiophenediyl ester, S,S-dioxide 2-Thiophenecarboxylic acid, tetrahydro-3,4-dimethacryloyl-, 1,1-dioxide 3,4-Dimetacryl-carboxy-sulfolan 64576-16-5 Tetrahydrothiophene-3,4-diol bis(2-methylpropenate) 1,1-dioxide Thiophene-3,4-diol, tetrahydro-, bis(2-methylpropenate), 1,1-dioxide