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