Citation

Clark-Lewis JW , Ilsley AH McGarry EJ (1973) Chemistry of 3-oxoflavans: Oxidation of (+)-catechin 5,7,3',4'-Tetramethyl ether to (+)-5,7,3',4'-Tetramethoxy-3-oxoflavan. Australian Journal of Chemistry 26, 2675-2682.

https://doi.org/10.1071/CH9732675