Patent ID: 11919898
Assignee: SHENZHEN LINGFANG BIOTECH CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 2:
3. The crystal form A according to claim 2, having an X-ray powder diffraction pattern with characteristic diffraction peaks at 2θ of 5.402°, 8.949°, 10.766°, 11.989°, 13.186°, 14.766°, 16.090°, 16.779°, 19.721°, 21.554°, 23.251°, 23.685°, 24.138°, 25.224°, 27.690°, 28.670°, 29.287°, 31.378°, 33.941°, and 38.046°.