Z-4-carbomethoxymethylen-3-methyl-1-phenyl-5-pyrazolone

methyl (E)-2-(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)acetate

三苯基氧化膦

Z-4-benzoyliden-3-methyl-1-phenyl-5-pyrazolone

E-4-benzoyliden-3-methyl-1-phenyl-5-pyrazolone