SIGA Technologies, Inc.
Polymorphic forms of ST-246 and methods of preparation

Abstract:

Polymorph forms of 4-trifluoromethyl-N-(3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocy- cloprop[f]isoindol-2(1H)-yl)-benzamide are disclosed as well as their methods of synthesis and pharmaceutical compositions.