InChI=1S/C30H38O12/c1-16(2)4-8-22(41-30-27(36)25(34)26(35)28(42-30)29(37)38)19(15-31)13-20(32)12-17(3)10-11-39-21-7-5-18-6-9-24(33)40-23(18)14-21/h4-7,9-10,13-14,20,22,25-28,30-32,34-36H,8,11-12,15H2,1-3H3,(H,37,38)/b17-10+,19-13-