The asymmetric unit of the title compound, C(18)H(20)N(2)O(4), contains one half-mol-ecule. The mol-ecule lies on an inversion centre and is roughly planar, the chains between the two pyridine rings being only slightly twisted, with torsion angles ranging from 170.9 (1) to 177.2 (1)°. Weak C-H⋯O hydrogen bonds result in the formation of a three-dimensional network.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961555 | PMC |
| http://dx.doi.org/10.1107/S1600536808014414 | DOI Listing |
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The asymmetric unit of the title compound, C(18)H(20)N(2)O(4), contains one half-mol-ecule. The mol-ecule lies on an inversion centre and is roughly planar, the chains between the two pyridine rings being only slightly twisted, with torsion angles ranging from 170.9 (1) to 177.
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