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