InChI=1S/C18H26O17S/c19-2-6-14(35-36(30,31)32)12(26)13(27)17(34-6)18(29)7(22)1-4(20)8(16(18)28)10(24)15-11(25)9(23)5(21)3-33-15/h1,5-6,9-15,17,19,21-29H,2-3H2,(H,30,31,32)