3-(3,4-dihydroxyphenyl)-6,8-dihydroxyisochromen-1-one 3-(3,4-dihydroxyphenyl)-6,8-dihydroxy-isochromen-1-one 3-(3,4-dihydroxyphenyl)-6,8-dihydroxy-1-isochromenone 147666-81-7 Thunberginol B 3-(3,4-Dihydroxyphenyl)-6,8-dihydroxy-1H-2-benzopyran-1-one 1H-2-Benzopyran-1-one, 3-(3,4-dihydroxyphenyl)-6,8-dihydroxy- 3-(3,4-dihydroxyphenyl)-6,8-dihydroxyisocoumarin (Thunberginol B) NSC725013