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