109333-39-3 1H-Pyrazole, 4,5-dihydro-3-(4-chlorophenyl)-5-(4-nitrophenyl)-1-phenyl- 2-Pyrazoline, 3-(4-chlorophenyl)-5-(4-nitrophenyl)-1-phenyl- 3-(4-Chlorophenyl)-5-(4-nitrophenyl)-1-phenyl-2-pyrazoline