1-(3-Pyridylcarbonyl)-5-(2-methylphenyl)-2-pyrazoline 121306-67-0 1H-Pyrazole, 4,5-dihydro-5-(2-methylphenyl)-1-(3-pyridinylcarbonyl)- 5-(2-Methylphenyl)-1-(3-pyridinylcarbonyl)-4,5-dihydro-1H-pyrazole