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Figure 2
Packing diagram showing a 21 helical structure formed via N—H⋯O hydrogen bonds indicated by dashed lines. C—H⋯O interactions which connect the helical chains are indicated by dotted lines (symmetry codes are as in Table 2[link]).

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 57| Part 8| July 2001| Pages o744-o745
doi:10.1107/S1600536801011977
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