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Figure 5
A portion of the N—H⋯O hydrogen-bonded helical chain. Hydrogen bonds are indicated by dotted lines, NH groups and O atoms engaged in hydrogen bonding are drawn as spheres and nonparticipating H atoms have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 69| Part 2| January 2013| Pages 179-182
doi:10.1107/S0108270113000954
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