109333-40-6 1H-Pyrazole, 4,5-dihydro-3-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-5-(4-nitrophenyl)- 2-Pyrazoline, 3-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-5-(4-nitrophenyl)- 3-(4-Chlorophenyl)-1-(2,4-dinitrophenyl)-5-(4-nitrophenyl)-2-pyrazoline