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US 12,577,235 B2Granted
Crystalline form of CXCR2 antagonist and application thereof
AssigneeShenzhen Optimum Biological Technology Co., Ltd
InventorsFeng Gao, Yuan Chen, Peng Zhang, Yunfu Luo
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Abstract
A crystalline form of CXCR2 antagonist, such as Compound 1, is used in preparing a drug for treating CXCR2-related diseases.
Claims5
A crystalline form A of Compound 1 having an X-ray powder diffraction pattern (XRPD) comprising diffraction peaks at the following 2-theta values:
- 4.02±0.20°, 14.54±0.20°, 15.95±0.20°, 16.56±0.20°, 17.14±0.20°, 18.59±0.20°, 19.98±0.20°, and 20.67±0.20°,
A crystalline form B of Compound 1 having an X-ray powder diffraction pattern comprising diffraction peaks at the following 2-theta values:
- 7.88±0.20°, 8.69±0.20°, 11.37±0.20°, 12.47±0.20°, 15.32±0.20°, 16.45±0.20°, 17.49±0.20°, and 22.90±0.20°,
Dependencies are inferred from the claim text.