1-Methyl-4-piperidinyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate 1-Methyl-4-piperidinyl 3-methylflavone-8-carboxylate 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 1-methyl-4-piperidinyl ester 86433-60-5