1-(Phenylacetyl)-4-(4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl)piperazine 133510-11-9 6-(4-(4-Phenylacetyl-1-piperazinyl)phenyl)-5-methyl-4,5-dihydro-3(2H)-pyridazinone 6-(Phenylacetylpiperazinyl)phenyl-5-methyl-4,5-dihydro-3(2H)-pyridazinone 6-(alpha-Phenylacetylpiperazinyl)phenyl-5-methyl-4,5-dihydro-3(2H)-pyridazinone 6-Pmdp Piperazine, 1-(phenylacetyl)-4-(4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl)-