2-(piperidin-1-yl)ethyl 3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylate-D5;4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 2-(1-piperidinyl)ethyl ester-D5;3-Methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylic acid 2-piperidinoethyl ester-D5;FLAVOXATE-D5;2-piperidinoethyl 3-methylflavone-8-carboxylate-D5;Flavoxatum-D5;Flavoxato-D5