InChI=1S/C30H30O12/c1-29(2)11-10-14-22-17(15(12-16(31)39-22)13-8-6-5-7-9-13)24(18(23(14)42-29)26(35)30(3,4)38)40-28-21(34)19(32)20(33)25(41-28)27(36)37/h5-12,19-21,25,28,32-34,38H,1-4H3,(H,36,37)