5(7)-HYDROXY-4-(4'-HYDROXY-3'-METHOXYPHENYL)-7(5)-METHYLCHROMAN-2-ONE HYDROXY-4-(4'-HYDROXY-3'-METHOXYPHENYL)METHYLCHROMAN-2-ONE (MIXED ISOMERS) MIXTURE OF 5-HYDROXY-4-(4'-HYDROXY-3'-METHOXYPHENYL)-7-METHYLCHROMAN-2-ONE AND 7-HYDROXY-4-(4'-HYDROXY-3'-METHOXYPHENYL)-5-METHYLCHROMAN-2-ONE