3-(3,4-dihydroxyphenyl)-8-hydroxyisochromen-1-one 3-(3,4-dihydroxyphenyl)-8-hydroxy-isochromen-1-one 3-(3,4-dihydroxyphenyl)-8-hydroxy-1-isochromenone 147666-80-6 3-(3,4-dihydroxyphenyl)-8-hydroxyisocoumarin (Thunberginol A) NSC724383 1H-2-Benzopyran-1-one, 3-(3,4-dihydroxyphenyl)-8-hydroxy- Thunberginol A 3-(3,4-Dihydroxyphenyl)-8-hydroxy-1H-2-benzopyran-1-one