InChI=1S/C30H20O10/c31-10-11-6-15-22(14-4-5-18(33)27(36)26(14)29(38)24(15)19(34)7-11)21-13-2-1-3-17(32)23(13)28(37)25-16(21)8-12(30(39)40)9-20(25)35/h1-9,21-22,31-36H,10H2,(H,39,40)