2,4-Cyclohexadien-1-one, 6-[5-(2,4-dihydroxyphenyl)-2,4-pentadienylidene]-3-hydroxy- 6-[5-(2,4-Dihydroxyphenyl)-2,4-pentadienylidene]-3-hydroxy-2,4-cyclohexadien-1-one 73806-35-6 NSC77130 WLN: L6VYJ BU2U2U1R BQ DQ& EQ