OBJECTIVE To prepare levalbuterol hydrochloride and make S-salbuterol racemized after the resolution.
目的制备左沙丁胺醇盐酸盐，并对拆分后得到的S-沙丁胺醇进行外消旋化。
Objective To study the in vitro dissolution rate of levalbuterol hydrochloride sustained released tablets.
目的研究自制盐酸左旋沙丁胺醇缓释片的体外释放度。
Objective To study the in vitro dissolution rate of levalbuterol hydrochloride sustained released tablets.
目的研究自制盐酸左旋沙丁胺醇缓释片的体外释放度。
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