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