Butanoic acid,3-(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)-, ethylester

Butanoic acid,3-(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)-, ethylester · CAS 87343-64-4