CPC C07D 471/08 (2013.01) [A61K 9/485 (2013.01); A61K 9/4858 (2013.01); C07B 2200/13 (2013.01)] | 20 Claims |
1. A crystalline form of 2-[(2S)-l-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one hemihydrate (Compound 1), or a tautomer or a combination thereof, wherein Compound 1 is represented by the structure
wherein the crystalline form of Compound 1 is characterized by an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2θ at 15.2±0.2, 17.8±0.2, and 27.6±0.2.
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