5,7,3',4'-Taxifolin tetramethyl ether

(2R,3R)-3-Hydroxy-3',4',5,7-tetramethoxyflavanone

(2R,3R)-2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-2,3-dihydro-4H-1-benzopyran-4-one