1-(N-Methyl-piperidyl-4')-phenyl-4-aethyl-pyrazolon-5 malat [German] 3-Pyrazolin-5-one, 4-ethyl-1-(1-methyl-4-piperidyl)-3-phenyl-, malate 3H-Pyrazol-3-one, 4-ethyl-1,2-dihydro-2-(1-methyl-4-piperidinyl)-5-phenyl-, malate Piperylon malate Piperylone malate UQ9305000