(2R)-2-isopropyltetrahydrothiophene 1-oxide InChI=1/C7H14OS/c1-6(2)7-4-3-5-9(7)8/h6-7H,3-5H2,1-2H3/t7-,9?/m1/s thiophene, tetrahydro-2-(1-methylethyl)-, 1-oxide, (2R)-