InChI=1S/C27H30O16/c1-8-18(31)19(32)22(35)26(39-8)40-10-5-15-17(13(30)7-14(41-15)9-2-3-11(28)12(29)4-9)16(6-10)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)