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