Abstract The objective of present study is to synthesize and screening of antimicrobial activity of some derivatives of pyrazoline. 1H-[4-nitro phenyl-5-(substituted phenyl)] pyrazoline has been used as a precursor to synthesize some biologically active
![1-[3-(3-nitrophenyl)-5-(4-nitrophenyl)-3,4-dihydropyrazol-2-yl]ethanone Structure](https://image.chemsrc.com/caspic/274/189368-81-8.png)
