O=[N+]([O-])c1ccc(-c2ccnn2-c2ccccn2)cc1
Nombre: 2-[5-(4-Nitro-phenyl)-pyrazol-1-yl]-pyridine
SMILES: O=[N+]([O-])c1ccc(-c2ccnn2-c2ccccn2)cc1
Fórmula molecular: C14H10N4O2
Masa molecular: 266.08
Obteniendo de PubChem (cola #1)