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

Claim 0:
1. A crystalline form of 1,4-BIS[1,2-BENZISOSELENAZOL-3(2H)-one]-butane is a crystalline form I, wherein the crystalline form I has characteristic peaks at 2θ angles of 6.15±0.20°, 12.28±0.20°, 18.44±0.20°, 19.09±0.20°, 22.20±0.20°, 23.68±0.20°, 25.92±0.20°, 27.50±0.20°, 30.95±0.20°, and 32.45±0.20° by X-ray powder diffraction using Cu-Kα radiation.