109333-41-7 1H-Pyrazole, 4,5-dihydro-5-(2-chlorophenyl)-3-(4-chlorophenyl)-1-(2,4-dinitrophenyl)- 2-Pyrazoline, 3-(4-chlorophenyl)-5-(2-chlorophenyl)-1-(2,4-dinitrophenyl)- 3-(4-Chlorophenyl)-5-(2-chlorophenyl)-1-(2,4-dinitrophenyl)-2-pyrazoline