InChI=1S/C29H28O11/c1-12(13-2-6-15(31)7-3-13)20-24(35)21-17(33)10-18(14-4-8-16(32)9-5-14)39-28(21)22(25(20)36)29-27(38)26(37)23(34)19(11-30)40-29/h2-10,12,19,23,26-27,29-32,34-38H,11H2,1H3/t12?,19-,23-,26+,27-,29+/m1/s1