124236-24-4 4H-1-Benzopyran-4-one, 8-chloro-3-(3,4-dihydroxyphenyl)-5,7-dihydroxy- 8-Chloro-3',4',5,7-tetrahydroxyisoflavone 8-Chloro-3-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one 8-Cthif