InChI=1S/C31H34O12/c1-13(2)5-7-15-9-16(10-21(34)27(15)42-31-26(38)24(36)25(37)29(43-31)30(39)40)18-12-41-28-17(8-6-14(3)4)19(32)11-20(33)22(28)23(18)35/h5-6,9-12,24-26,29,31-34,36-38H,7-8H2,1-4H3,(H,39,40)