1-Phenyl-2-aethyl-3-methyl-4-n-propyl-5-pyrazolon [German] 2-Ethyl-3-methyl-1-phenyl-4-propyl-3-pyrazolin-5-one 3-Pyrazolin-5-one, 2-ethyl-3-methyl-1-phenyl-4-propyl- UQ9293000