CPC C07D 403/14 (2013.01) [A61K 9/2009 (2013.01); A61K 9/2013 (2013.01); A61K 9/2054 (2013.01); A61K 9/2059 (2013.01); C07B 2200/13 (2013.01)] | 20 Claims |
1. A crystal form comprising a compound of Formula (I) and fumaric acid:
wherein,
an X-ray powder diffraction pattern of the crystal form obtained by using Cu-Kα radiation comprises at least three peaks selected from the group consisting of 10.94°±0.2° 2θ, 19.06°±0.2° 2θ, 23.50°±0.2° 2θ, and 24.66°±0.2° 2θ.
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