InChI=1S/C31H34O12/c1-14(5-11-22-31(2,3)43-22)4-8-19-23(34)18-10-7-16(40-30-26(37)24(35)25(36)28(42-30)29(38)39)13-21(18)41-27(19)17-9-6-15(32)12-20(17)33/h4,6-7,9-10,12-13,22,24-26,28,30,32-33,35-37H,5,8,11H2,1-3H3,(H,38,39)