ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, vol.56, pp.222-224, 2000 (SCI-Expanded)
In the title compounds, C15H12N4OS, (I), and C14H10N4OS, (II), the thiadiazine ring adopts a skew-boat conformation, while the triazole and furyl rings are essentially planar. The phenyl group is twisted by 33.5 (2) and 47.9 (1)degrees out of the triazole-ring plane in (I) and (II), respectively.