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Acta Cryst. (2005). E61, o1237-o1238 [ doi:10.1107/S1600536805009955 ]
Abstract: In the title molecule, C8H7NO4, the non-H atoms are essentially coplanar. In the crystal structure, short intermolecular O
C (3.21 Å) and O
N (3.17 Å) contacts indicate the presence of
-
interactions.
Online 9 April 2005
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