Stable pharmaceutical composition
AssigneesSimcere Pharmaceutical Co., Ltd., Jiangsu Simcere Pharmaceutical Co., Ltd.
InventorsYong QIAN, Xia WANG, Xi ZHU, Cuncun LIU, Feng WANG, Jinsheng REN
Life of this patent
Estimating the term…
Abstract
A stable pharmaceutical composition contains active ingredients of edaravone and dextrocamphol can control the content of unique impurity SCR-756 and impurity SCR-757 thereof.
Claims13
A pharmaceutical composition, wherein the pharmaceutical composition comprises edaravone, dextrocamphol, sodium metabisulfite and a solvent, and the content of sodium metabisulfite is 0.95-1.05 mg/ml;
- preferably, the pharmaceutical composition comprises edaravone, dextrocamphol, sodium metabisulfite, a co-solvent and a solvent, and the content of sodium metabisulfite is 0.95-1.05 mg/ml.
A compound as represented by formula I, or a pharmaceutically acceptable salt thereof,
A compound as represented by formula II, or a pharmaceutically acceptable salt thereof,
9-10. (canceled)
Dependencies are inferred from the claim text.