Acta Cryst. (2013). C69, 93-100 [ doi:10.1107/S010827011204930X ]
Formula: C4H5N3OS·2C3H7NO, C4H5N3OS·C4H9NO, C4H5N3OS·1.5C4H9NO and C4H5N3OS·1.5C5H9NO
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