CPC A61K 31/404 (2013.01) [A61K 9/1652 (2013.01); A61K 9/4866 (2013.01); A61K 39/275 (2013.01); C07D 209/70 (2013.01); C07D 209/76 (2013.01)] | 8 Claims |
1. A method of treating Orthopoxvirus infections comprising administering to a subject in need thereof a therapeutically effective amount of a polymorph Form I of 4-trifluoromethyl-N-(3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-benzamide (ST-246) which shows an X-ray powder diffraction pattern having characteristic peaks at a reflection angle 2θ of about 7.63, 10.04, 11.47, 14.73, 15.21, 15.47, 16.06, 16.67, 16.98, 18.93, 19.96, 20.52, 20.79, 22.80, 25.16, 26.53, 27.20, 27.60, 29.60, 30.23, 30.49, 30.68, 31.14, 33.65, 34.33, 35.29, 35.56, 36.30, 37.36, 38.42, 38.66 degrees.
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