InChI=1S/C27H30O16/c1-8-18(31)19(32)22(35)26(39-8)40-10-5-12(29)17-13(30)7-14(41-16(17)6-10)9-2-3-11(28)15(4-9)42-27-23(36)20(33)21(34)24(43-27)25(37)38/h2-6,8,14,18-24,26-29,31-36H,7H2,1H3,(H,37,38)