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Figure 1
The mol­ecular structures in the solid state of (a) (I)[link], (b) (II)[link] and (c) (III)[link], showing the atom-numbering schemes. Displacement ellipsoids are drawn at the 50% probability level. Dashed lines in (II)[link] and (III)[link] indicate intra­molecular hydrogen bonds.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 70| Part 10| September 2014| Pages 987-991
doi:10.1107/S2053229614020634
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