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