title: 5-Chloro-3-methyl-4-[3-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-5-yl]-1-phenyl-1H-pyrazole: a chain of fused hydrogen-bonded rings.
abstract: In the title compound, C19H16ClN5O2, the molecules are linked into chains of edge-fused rings by a combination of two independent C-H...O hydrogen bonds, augmented by a centrosymmetric pi-pi stacking interaction.
authors.affiliation: Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad de Valle, AA 25360 Cali, Colombia.
authors.forename: Braulio
authors.initials: B
authors.lastname: Insuasty
authors.forename: Harlen
authors.initials: H
authors.lastname: Torres
authors.forename: Justo
authors.initials: J
authors.lastname: Cobo
authors.forename: John N
authors.initials: JN
authors.lastname: Low
authors.forename: Christopher
authors.initials: C
authors.lastname: Glidewell