This invention generally relates to processes for making a crystalline zilpaterol salt, particularly zilpaterol hydrochloride. This invention also relates to methods of treatment using a crystalline zilpaterol salt prepared in accordance with this invention to increase the rate of weight gain, improve feed efficiency, and/or increase carcass leanness in livestock, poultry, and fish.
本发明通常涉及制备结晶
硫扑特罗盐的过程,特别是
硫扑特罗盐酸盐。本发明还涉及使用根据本发明制备的结晶
硫扑特罗盐的方法,以提高家畜、家禽和鱼类的体重增长速率,改善饲料效率和/或增加胴体瘦肉率。