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