InChI=1S/C31H34O13/c1-30(2)21-12-6-11(16-7-14(34)20-13(33)4-10(32)5-19(20)41-16)17(8-18(12)44-31(3)9-15(35)22(30)23(21)31)42-29-26(38)24(36)25(37)27(43-29)28(39)40/h4-6,8,15-16,21-27,29,32-33,35-38H,7,9H2,1-3H3,(H,39,40)