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

Claim 3:
4. The method for preparing a crystalline form II of 1-(5-(2,4-difluorophenyl)-1-((3-fluorophenyl)sulfonyl)-4-methoxy-1H-pyrrol-3-yl)-N-methylmethanamine hydrochloride of claim 3, wherein the crystalline form II 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 9.2°, 10.0°, 12.9° and 20.2° in an X-ray powder diffraction pattern.