Methods The contents were determined with ultraviodet spectrophotometry,and the degradation products,properties,hardness and dissolution were inspected with the method in Chinese Pharmacopoeia.

• 方法采用紫外分光光度法测定含量,对有关物质检查、性状、脆碎度、溶出度及微生物限度的考察均采用中国药典规定的方法。