p. 929 - 934
(2007/10/02)5-hydroxy-3-(4-methoxyphenyl)-8,8-dimethyl-6-(3-methylbut-2-en-1-yl)-4H,8H-pyrano[2,3-f]chromen-4-one
7-(4-hydroxyphenyl)-2,2,10,10-tetramethyl-11,12-dihydro-2H-dipyrano[2,3-f:2',3'-h]chromen-8(10H)-one
4'-hydroxy-<6'',6''-dimethyldihydropyrano(2'',3'':5,6)>-<6''',6'''-dimethyldihydropyrano(2''',3''':7,8)>isoflavone
5-methoxy-3-(4-methoxy-phenyl)-8,8-dimethyl-6-(3-methyl-but-2-enyl)-8H-pyrano[2,3-f]chromen-4-one