1-Methyl-3-(N-piperidino)propyl 3-methylflavone-8-carboxylate hydrochloride hemihydrate 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 1-methyl-3-(1-piperidinyl)propyl ester, hydrochloride, hemihydrate 86433-59-2