InChI=1S/C27H28O16/c28-7-14-17(32)18(33)20(35)24(42-14)16-11(30)5-10(29)15-12(31)6-13(41-23(15)16)8-1-3-9(4-2-8)40-27-22(37)19(34)21(36)25(43-27)26(38)39/h1-6,14,17-22,24-25,27-30,32-37H,7H2,(H,38,39)