InChI=1S/C30H30O14/c31-12-19-23(37)25(39)26(40)29(44-19)30(43)27(41)21(17(11-20(35)36)14-4-8-16(33)9-5-14)24(38)22(28(30)42)18(34)10-3-13-1-6-15(32)7-2-13/h1-10,17,19,21,23,25-26,29,31-33,37-40,43H,11-12H2,(H,35,36)/b10-3+