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