US 12,492,211 B2
Crystalline form of nitrogen-containing tricyclic compound and use thereof
Yuefeng Shan, Dongguan (CN); Liang Chen, Dongguan (CN); Xinye Yang, Dongguan (CN); and Xiaojun Wang, Dongguan (CN)
Assigned to SUNSHINE LAKE PHARMA CO., LTD., Dongguan (CN)
Appl. No. 17/779,452
Filed by SUNSHINE LAKE PHARMA CO., LTD., Guangdong (CN)
PCT Filed Nov. 27, 2020, PCT No. PCT/CN2020/132141
§ 371(c)(1), (2) Date May 24, 2022,
PCT Pub. No. WO2021/104427, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 201911200268.9 (CN), filed on Nov. 29, 2019.
Prior Publication US 2022/0389024 A1, Dec. 8, 2022
Int. Cl. C07D 491/044 (2006.01)
CPC C07D 491/044 (2013.01) [C07B 2200/13 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A crystal form of a compound having Formula (I), wherein the crystal form is crystal form A,

OG Complex Work Unit Chemistry
wherein the crystal form A exhibits the following characteristic X-ray powder diffraction pattern comprising peaks expressed as 2θ at 11.11°±0.2°, 14.07°±0.2°, 20.37°±0.2°, 21.00°±0.2°, 22.59°±0.2°, 22.86°±0.2°, 23.32°±0.2°, 24.85°±0.2°, 25.57°±0.2°, 26.11°±0.2°, 26.30°±0.2°, 28.92°±0.2°, 38.74°±0.2°.