8-hydroxy-3-(4-hydroxyphenyl)isochroman-1-one 8-hydroxy-3-(4-hydroxyphenyl)-1-isochromanone 480-47-7 3,4-Dihydro-8-hydroxy-3-(4-hydroxyphenyl)-1H-2-benzopyran-1-one C10262 Hydrangenol 1H-2-Benzopyran-1-one, 3,4-dihydro-8-hydroxy-3-(4-hydroxyphenyl)-