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US 2025/0051281 A1Published application
Crystalline form of aromatic ring derivative, and preparation method therefor and application thereof
OwnerYong ZHANG, Longbing YE +3inventors
InventorsYong ZHANG, Longbing YE, Zhangping KANG, Hongming CHENG, Jianbiao PENG
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Abstract
Disclosed are a crystalline form of an aromatic ring derivative, and a preparation method therefor and an application thereof. Specifically, disclosed are a salt form, a crystalline form, and a pharmaceutical composition of a compound of formula (I), and a use thereof.
Claims21
A calcium salt of a compound of formula (I),
A crystal form G of a compound of formula (II), wherein the crystal form G has an X-ray powder diffraction pattern comprising characteristic peaks at the following 2θ angles:
- 8.98±0.2°, 10.12±0.2°, 13.56±0.2°, 14.66±0.2°, 15.22±0.2°, 18.48±0.2°;
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Dependencies are inferred from the claim text.