InChI=1S/C30H20O9/c1-11-5-15-22(14-3-2-4-18(32)24(14)28(36)25(15)19(33)6-11)23-16-7-12(30(38)39)8-20(34)26(16)29(37)27-17(23)9-13(31)10-21(27)35/h2-10,22-23,31-35H,1H3,(H,38,39)