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US 2020/0347040 A1Published application
Crystal form of indole derivative and preparation method and use thereof
AssigneeChia Tai Tianqing Pharmaceutical Group Co., Ltd.
InventorsYuanshan Yao, Bin CHEN, Feng Gao, Yuan Chen, Ran Xu, Chengshuai Yang, Sheng Zhang, Jian Li, Shuhui Chen
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Abstract
Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.
Claims22
Crystal form A of Compound 1, wherein an X-ray powder diffraction spectrum of the crystal form A has diffraction peaks at the following 2θ angels:
- 12.78±0.2°, 15.43±0.2°, and 21.25±0.2°,
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A pharmaceutical composition, comprising the crystalline composition according to
Dependencies are inferred from the claim text.