| CPC C07D 401/12 (2013.01) [A61K 31/501 (2013.01); A61P 25/00 (2018.01); C07B 2200/13 (2013.01)] | 9 Claims |

|
1. A crystalline form of 1,1,1,3,3,3-Hexafluoropropan-2-yl(S)-1-(pyridazin-3-ylcarbamoyl)-6-azaspiro[2.5]octane-6-carboxylate form 3, characterized by having an X-ray powder diffraction obtained using CuKα1 radiation (λ=1.5406 Å) comprising peaks at the following 2θ-angles: 6.61°, 9.16°, 13.09°, and 14.32°.
|