1-Methyl-2-piperidinoethyl 3-methyl-4-oxo-2-phenyl-3H-1-benzopyran-8-carboxylate HCl H2O 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 1-methyl-2-(1-piperidinyl)ethyl ester, hydrochloride, hydrate 86433-61-6