Synonyms: 3-(2,4-Dihydroxyphenyl)-5-hydroxy-8,8-dimethyl-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one;5-Hydroxy-3-(2,4-dihydroxyphenyl)-8,8-dimethyl-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one;7-(2,4-Dihydroxyphenyl)-5-hydroxy-2,2-dimethyl-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-one;Parvisoflavone B