InChI=1S/C18H22O6S/c1-18-9-15(24-25(21,22)23)17-12-5-3-11(19)8-10(12)2-4-13(17)14(18)6-7-16(18)20/h3,5,8,13-15,17,19H,2,4,6-7,9H2,1H3,(H,21,22,23)/t13?,14?,15?,17?,18-/m0/s1