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