2-Hydroxy-3-(N-piperidino)propyl 3-methylflavone-8-carboxylate hydrochloride 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 2-hydroxy-3-(1-piperidinyl)propyl ester, hydrochloride 86433-58-1