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Figure 4
A view of the spiral hydrogen-bonded chain in 5-chloro­pyridine-2,3-di­amine (I)[link] highlighting the N2amine—H12⋯N1ipyr contact. [Symmetry code: (i) −x + 1, y + [{1\over 2}], −z + [{3\over 2}].]

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 73| Part 8| August 2017| Pages 1213-1217
https://doi.org/10.1107/S2056989017010489
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