InChI=1S/C18H22O8S/c1-18-12(7-14(21)17(18)22)16-11(6-15(18)26-27(23,24)25)10-3-2-9(19)4-8(10)5-13(16)20/h2-4,11-13,15-17,19-20,22H,5-7H2,1H3,(H,23,24,25)/t11?,12?,13?,15?,16?,17?,18-/m1/s1