2\'-Hydroxy-5,4\'-dimethoxy-2\'\',2\'\'-dimethylpyran-[5\'\',6\'\':6,7]isoflavone 3-(2-Hydroxy-4-methoxy-phenyl)-5-methoxy-8,8-dimethyl-8H-pyrano[3,2-g]chromen-4-one 7-(2-hydroxy-4-methoxyphenyl)-5-methoxy-2,2-dimethyl-2H,6H-pyrano[3,2-g]chromen-6-one InChI=1/C22H20O6/c1-22(2)8-7-14-17(28-22)10-18-19(21(14)26-4)20(24)15(11-27-18)13-6-5-12(25-3)9-16(13)23/h5-11,23H,1-4H