Methods The preparation was made with semi-synthesis fatty glyceride as drug excipient and the roxithromycin as primary drug.

• 方法以半合成脂肪酸甘油酯为基质,罗红霉素为主药制备制剂,用分光光度法对成品质量进行控制,通过长期留样试验考察药品的稳定性。