173469-71-1 4H-1-Benzopyran-6-acetic acid, alpha-ethyl-3-methyl-4-oxo-2-phenyl-, methyl ester Methyl 2-(3-methyl-2-phenylchromon-6-yl)butanoate Methyl alpha-ethyl-3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-6-acetate