InChI=1S/C27H30O17S/c28-7-12-17(31)21(35)22(36)26(42-12)16-20(34)15-11(41-24(16)9-4-2-1-3-5-9)6-10(30)14(19(15)33)25-23(37)27(44-45(38,39)40)18(32)13(8-29)43-25/h1-6,12-13,17-18,21-23,25-33,35-37H,7-8H2,(H,38,39,40)