Patent ID: 11858894
Assignee: DAEWOONG PHARMACEUTICAL CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 1:
2. The method for preparing a crystalline form I of 1-(5-(2,4-difluorophenyl)-1-((3-fluorophenyl)sulfonyl)-4-methoxy-1H-pyrrol-3-yl)-N-methylmethanamine hydrochloride of claim 1, wherein the crystalline form I of 1-(5-(2,4-difluorophenyl)-1-((3-fluorophenyl)sulfonyl)-4-methoxy-1H-pyrrol-3-yl)-N-methylmethanamine hydrochloride has peaks at diffraction angles (2θ±0.2°) of 5.8°, 9.7°, 10.0°, 12.8°, 13.2°, 17.4° and 18.5° in an X-ray powder diffraction pattern.