The low-temperature structure of the title compound, C(4)H(8)N(2)O, is ordered, whereas the central methyl-ene groups is disordered in the reported room-temperature structure. The molecule lies across a mirror plane; adjacent mol-ecules are linked by an N-H⋯O hydrogen bond into a chain.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961143 | PMC |
| http://dx.doi.org/10.1107/S160053680801115X | DOI Listing |
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