申请人:Genovate Biotechnology Co. Ltd.
公开号:US20210323925A1
公开(公告)日:2021-10-21
Two crystals of (S)-(+)-hydroxychloroquine sulfate. One crystal features diffraction peaks at 12.3±0.1°, 13.1±0.1°, 17.9±0.1°, 22.8±0.1°, 23.4±0.1°, 25.1±0.1°, and 26.3±0.1° as 2θ angles in a powder X-ray diffraction pattern. The other crystal features diffraction peaks at 12.8±0.1°, 14.5±0.1°, 16.7±0.1°, 17.6±0.1°, 20.2±0.1°, 21.4±0.1°, 23.8±0.1°, 25.7±0.1°, and 26.0±0.1° as 2θ angles in a powder X-ray diffraction pattern. Also disclosed are methods of preparing crystals of (S)-(+)-hydroxychloroquine sulfate.
(S)-(+)羟氯喹硫酸盐的两种晶体。一种晶体在粉末X射线衍射图谱中的2θ角度为12.3±0.1°、13.1±0.1°、17.9±0.1°、22.8±0.1°、23.4±0.1°、25.1±0.1°和26.3±0.1°。另一种晶体在粉末X射线衍射图谱中的2θ角度为12.8±0.1°、14.5±0.1°、16.7±0.1°、17.6±0.1°、20.2±0.1°、21.4±0.1°、23.8±0.1°、25.7±0.1°和26.0±0.1°。还公开了制备(S)-(+)羟氯喹硫酸盐晶体的方法。