InChI=1S/C30H38O12/c1-15(2)5-8-20(32)17(4)14-19(31)13-16(3)11-12-39-21-9-6-18-7-10-22(33)40-26(18)27(21)41-30-25(36)23(34)24(35)28(42-30)29(37)38/h5-7,9-11,14,19-20,23-25,28,30-32,34-36H,8,12-13H2,1-4H3,(H,37,38)/b16-11+,17-14-