InChI=1S/C18H22O8S/c19-9-1-2-10-11-3-4-18(8-26-27(23,24)25)14(7-16(21)17(18)22)12(11)6-15(20)13(10)5-9/h1-2,5,11-12,14,16-17,19,21-22H,3-4,6-8H2,(H,23,24,25)/t11?,12?,14?,16?,17?,18-/m1/s1