英文别名
                        1-(4-acetoxy-phenyl)-4-butyl-5-(2,2-dimethyl-propionyloxy)-2-phenyl-1,2-dihydro-pyrazol-3-one;1-(4'-Acetyloxyphenyl)-2-phenyl-4-butyl-5-pivalyloxy-4-pyrazolin-3-one;[2-(4-Acetyloxyphenyl)-4-butyl-5-oxo-1-phenylpyrazol-3-yl] 2,2-dimethylpropanoate