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.
这项发明通常涉及制备晶体
硫酸盐,特别是晶体盐酸盐。该发明还涉及使用根据本发明制备的晶体
硫酸盐进行治疗的方法,以增加家畜、家禽和鱼类的体重增长速度,改善饲料效率,和/或增加胴体瘦肉率。