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