dihydrocitrinone

3,4-Dihydro-6,8-dihydroxy-3,4,5-trimethyl-1-oxo-1H-2-benzopyran-7-carboxylic acid

1-Oxo-3,4-dihydro-3,4,5-trimethyl-6,8-dihydroxy-1H-2-benzopyran-7-carboxylic acid