Pyrazolin is a five-loop heterocyclic compound that has two nitrogen atoms close to each other in its ring and contains one endocyclic double bond. Pyrazolin is known to have many biological activities, such as anticancer. The compound 4-(5-(3-methoxyphenyl)-1-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole-3-yl) phenol abbreviated as P3OME-4OH-4NTR was successfully synthesized through three reaction…