173469-83-5 4H-1-Benzopyran-6-acetic acid, alpha-ethyl-3-methoxy-4-oxo-2-phenyl-, methyl ester Methyl 2-(3-methoxy-2-phenylchromon-6-yl)butanoate Methyl alpha-ethyl-3-methoxy-4-oxo-2-phenyl-4H-1-benzopyran-6-acetate