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Acta Cryst. (2004). E60, o2395-o2396 [ doi:10.1107/S1600536804029940 ]
Abstract: The title compound, C18H9Cl2F3N4O, is a tricyclic amide with an overall U-shape. N-H
N hydrogen bonds generate linear chains which extend along the a axis.
Online 27 November 2004
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