2-Methyl-3-chloro-4-hydroxysulfolane 3-Chloro-4-hydroxy-2-methylsulfolane 4-Chloro-5-methyltetrahydrothiophene-3-ol 1,1-dioxide 69696-83-9 Thiophene-3-ol, tetrahydro-4-chloro-5-methyl-, 1,1-dioxide Thiophene-4-ol, 3-chloro-2-methyltetrahydro-, 1,1-dioxide (8CI)