The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.
采用向盐酸多西环素精制母液中加5-磺基杨酸方法,从精制母液中回收出氢化物,并确定了最佳配比。
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