Keywords prazosin hydrochloride;oleanolic acid;osmotic pump tablet;orifice;controlled release;poorly water-soluble drug;solid dispersion system;uniform design;

• 盐酸哌唑嗪;齐墩果酸;渗透泵片;释药孔;控制释放;难溶性药物;固体分散体;均匀设计;