DIHYDROISOCOUMARIN

8-hydroxy-3-(3-hydroxy-4-methoxy-phenyl)isochroman-1-one

8-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-3,4-dihydroisochromen-1-one

8-hydroxy-3-(3-hydroxy-4-methoxy-phenyl)-3,4-dihydroisochromen-1-one