InChI=1S/C31H32O12/c1-12(2)10-15(32)18-23(41-30-22(36)20(34)21(35)27(42-30)29(37)38)17-14(13-8-6-5-7-9-13)11-16(33)39-24(17)19-25(18)43-31(3,4)28-26(19)40-28/h5-9,11-12,20-22,26-28,30,34-36H,10H2,1-4H3,(H,37,38)