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Acta Cryst. (2013). C69, 1043-1046
[ doi:10.1107/S0108270113020465 ]

5,5'-Methylenebis[6-amino-3-methyl-2-methylsulfanylpyrimidin-4(3H)-one]: an unusual molecular geometry within a hydrogen-bonded molecular ribbon

J. Trilleras, J. Ramos, J. Cobo and C. Glidewell

Synopsis: The central C-C-C angle is 120.3 (2)° and the molecules are linked by N-H...O hydrogen bonds into a ribbon containing edge-fused S(8) and R_{4}^{2}(8) rings.

Formula: C13H18N6O2S2

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