InChI=1S/C34H32O15/c1-41-20-11-22-21(45-15-46-22)10-18(20)19-14-44-23-12-24(31(42-2)32(43-3)27(23)28(19)38)47-34-33(30(40)29(39)25(13-35)48-34)49-26(37)9-6-16-4-7-17(36)8-5-16/h4-12,14,25,29-30,33-36,39-40H,13,15H2,1-3H3/b9-6-