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Figure 2
The crystal packing of (a) (I[link]), (b) (II[link]) and (c) (III[link]), showing the secondary structure in the chains. Dotted lines represent hydrogen-bonding interactions; symmetry codes are as in Tables 2[link], 4[link] and 6[link].

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 57| Part 3| March 2001| Pages 298-301
doi:10.1107/S0108270100019065
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