US 10,376,512 B1
Crystal of aniline pyrimidine compound of trifluoroethyl substituted indole and salt thereof
Lulu Wang, Lianyungang (CN); Jianqiu Tang, Lianyungang (CN); Yizhong Zhu, Lianyungang (CN); Fei Liu, Lianyungang (CN); Yan Zhu, Beijing (CN); Chuanyu Zhang, Beijing (CN); and Limin Yang, Beijing (CN)
Assigned to CHIA TAI TIANQING PHARMAEUTICAL GROUP CO., LTD., Lianyungang, Jiangsu Province (CN)
Filed by CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Lianyungang (CN)
Filed on Aug. 9, 2018, as Appl. No. 16/59,890.
Int. Cl. A61K 31/506 (2006.01); A61P 35/00 (2006.01)
CPC A61K 31/506 (2013.01) [A61P 35/00 (2018.01)] 14 Claims
 
1. A crystal A of a compound represented by formula I:

OG Complex Work Unit Drawing
having diffraction peaks at 2θ=8.58°, 13.10°, 18.32°, 19.39°, and 21.29°±0.2° in an X-ray diffraction pattern; typically having diffraction peaks at 2θ=8.58°, 9.98°, 13.10°, 17.53°, 18.32°, 19.39°, and 21.29°±0.2°, and more typically having diffraction peaks at 2θ=8.58°, 9.98°, 13.10°, 17.53°, 18.32°, 19.39°, 20.57°, 21.29°, 23.04°, and 23.76°±0.2°.