InChI=1S/C27H30O16/c28-8-16-18(31)19(32)22(35)27(42-16)41-15-6-11(39-26-23(36)20(33)21(34)24(43-26)25(37)38)5-14-17(15)12(30)7-13(40-14)9-1-3-10(29)4-2-9/h1-6,13,16,18-24,26-29,31-36H,7-8H2,(H,37,38)