InChI=1S/C29H24O8/c1-37-26-7-14(2-5-23(26)34)6-21-22-11-19(33)13-25(36)28(22)29(20-4-3-16(30)12-24(20)35)27(21)15-8-17(31)10-18(32)9-15/h2-13,27,29-36H,1H3/b21-6-/t27-,29+/m1/s1