Patent ID: 11952356
Assignee: SHANGHAI YUANXI MEDICINE CORP.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C  Y | IPC C

Claim 1:
2. The crystalline form I according to claim 1 having characteristic peaks at 2θ angles of 6.15±0.20°, 12.28±0.20°, 18.44±0.20°, 19.09±0.20°, 21.89±0.20°, 22.20±0.20°, 23.68±0.20°, 25.92±0.20°, 27.50±0.20°, 30.95±0.20°, 32.45±0.20°, 35.79±0.20°, 37.37±0.20°, and 37.72±0.20° by X-ray powder diffraction using Cu-Kα radiation.