23348-17-6 3(2H)-Pyridazinone, 4-phenyl-2-(2-piperidinoethyl)-6-(alpha,alpha,alpha-trifluoro-m-tolyl)- 4-Phenyl-2-(2-piperidinoethyl)-6-(alpha,alpha,alpha-trifluoro-m-tolyl)-3(2H)-pyridazinone