The mol-ecule of title compound, C(13)H(11)N(5), is essentially planar (r.m.s. deviation = 0.0440 Å) and an intra-molecular C-H⋯N hydrogen bond generates an S(6) motif. In the crystal, mol-ecules are connected into chains by inter-molecular N-H⋯N and C-H⋯N hydrogen bonds. In addition, π-π stacking inter-actions are observed between the pyrazole and pyridazine rings [inter-planar distance = 3.6859 (10) Å].
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2979482 | PMC |
| http://dx.doi.org/10.1107/S1600536810016697 | DOI Listing |
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