InChI=1S/C31H34O13/c1-30(2)13-4-5-31(3)20(13)19(30)12-8-11(16-9-15(34)18-14(33)6-10(32)7-17(18)41-16)21(35)26(25(12)44-31)42-29-24(38)22(36)23(37)27(43-29)28(39)40/h6-8,13,16,19-20,22-24,27,29,32-33,35-38H,4-5,9H2,1-3H3,(H,39,40)