The asymmetric unit of the title compound, C(8)H(11)ClN(4), contains two independent mol-ecules (A and B) with slightly different conformations: the dihedral angles between the 3-chloro-6-hydrazinylpyridazine units and butyl side chains are 4.5 (2) and 11.98 (16)°. In the crystal, the A and B mol-ecules are linked by a pair of N-H⋯N hydogen bonds, generating an R(2) (2)(8) loop.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2983409 | PMC |
| http://dx.doi.org/10.1107/S160053681003504X | DOI Listing |
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