InChI=1S/C30H18O9/c31-11-12-7-16-22(14-3-1-5-18(32)24(14)28(36)26(16)20(34)8-12)23-15-4-2-6-19(33)25(15)29(37)27-17(23)9-13(30(38)39)10-21(27)35/h1-11,22-23,32-35H,(H,38,39)