InChI=1S/C30H18O11/c31-12-8-16-22(15-5-11(30(40)41)7-19(34)25(15)28(37)26(16)20(35)9-12)21-13-2-1-3-17(32)23(13)27(36)24-14(21)4-10(29(38)39)6-18(24)33/h1-9,21-22,31-35H,(H,38,39)(H,40,41)