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Acta Cryst. (2007). C63, o723-o725  [ doi:10.1107/S0108270107052535 ]

Weak C-H...N[triple bond]C hydrogen bonds in the structures of two poly(cyano)-substituted ring systems

P. G. Jones, H. Hopf, C. Mlynek and V. N. Swaminathan

Formula: C9H3N3 and C20H12N4

Online 14 November 2007


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