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US 2022/0017536 A1Published application
Crystal Form of Hepatitis B Surface Antigen Inhibitor
AssigneeFujian Cosunter Pharmaceutical Co., Ltd.
InventorsYanbin HU, Fei SUN, Shenyi SHI, Yanxiao SU, Charles Z DING
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Abstract
The present invention discloses a crystal form of a hepatitis B surface antigen inhibitor and a preparation method therefor, and also comprises the use of the crystal form in preparing the hepatitis B surface antigen inhibitor.
Claims18
A crystal form A of a compound of formula (I), wherein the crystal form A has a X-ray powder diffraction pattern comprising characteristic diffraction peaks with the following angles 2θ:
- 8.04°±0.2°, 16.52°±0.2° and 19.52°±0.2°,
Dependencies are inferred from the claim text.