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