O=[N+]([O-])c1ccc(-c2ccnn2-c2ccc(Cl)cc2)cc1
Nombre: 1-(4-chloro-phenyl)-5-(4-nitro-phenyl)-1H-pyrazole
SMILES: O=[N+]([O-])c1ccc(-c2ccnn2-c2ccc(Cl)cc2)cc1
Fórmula molecular: C15H10ClN3O2
Masa molecular: 299.05
Obteniendo de PubChem (cola #3)