InChI=1S/C18H22O8S/c1-18-7-14(22)15-10-3-2-9(19)4-8(10)5-12(20)16(15)11(18)6-13(21)17(18)26-27(23,24)25/h2-4,11-12,14-17,19-20,22H,5-7H2,1H3,(H,23,24,25)/t11?,12?,14?,15?,16?,17?,18-/m0/s1