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