InChI=1S/C31H34O12/c1-13(2)5-7-16-19(32)9-6-14-11-17(29(39)41-26(14)16)15-8-10-20(18(22(15)33)12-21-31(3,4)43-21)40-30-25(36)23(34)24(35)27(42-30)28(37)38/h5-6,8-11,21,23-25,27,30,32-36H,7,12H2,1-4H3,(H,37,38)