InChI=1S/C30H20O10/c1-10-2-14-22(16-6-12(31)8-20(35)26(16)28(37)24(14)18(33)3-10)23-15-4-11(30(39)40)5-19(34)25(15)29(38)27-17(23)7-13(32)9-21(27)36/h2-9,22-23,31-36H,1H3,(H,39,40)