InChI=1S/C26H28O17S/c27-7-16-19(32)21(34)25(42-26-22(35)23(13(31)8-39-26)43-44(36,37)38)24(41-16)18-12(30)6-15-17(20(18)33)11(29)5-14(40-15)9-1-3-10(28)4-2-9/h1-6,13,16,19,21-28,30-35H,7-8H2,(H,36,37,38)