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