In the title mol-ecule, C(12)H(8)F(3)NO(3), the trifluoro-methyl group is rotationally disordered over three orientations in a 0.5:0.3:0.2 ratio. In the crystal, N-H⋯O hydrogen bonds link the mol-ecules related by translation into chains along the c axis. The crystal packing exhibits π-π inter-actions between the pyran rings of neighboring mol-ecules [centroid-centroid distance = 3.462 (4) Å] and short C⋯O contacts of 3.149 (4) Å.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3343970 | PMC |
| http://dx.doi.org/10.1107/S1600536812009634 | DOI Listing |
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