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Figure 3 The mol­ecular packing for C12H11N3O2 viewed down the b axis showing the cooperative hydrogen bond network of infinite one–dimensional O—H⋯O—H⋯O—H chains along the (1 0 1) plane of the unit cell in a zigzag, alternate inverted pattern. Dashed lines indicate inter­molecular N—H⋯O, and intra­molecular O–H⋯N hydrogen bonds.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 65| Part 5| April 2009| Pages o1111-o1112
doi:10.1107/S1600536809014561
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