| abstract |
Described herein are 2',6-difluoro-5'-[3-(1-hydroxy-1-methylethyl)-imidazo[1,2-b][1,2,4]triazine- 7-yl]biphenyl-2-carbonitrile (TPA023B) or a polymorph of a salt thereof. In one aspect, disclosed herein are crystalline polymorphic salts or co-crystals of TPA023B and phosphoric acid. In another aspect, disclosed herein are crystalline polymorphic salts or co-crystals of TPA023B and sulfuric acid. Also described herein are methods of making and using them. |