发明人郑宇鹏,李文辉,何建平. "一种多巴酚丁胺杂质48的合成方法" [P]. 中国发明专利, 专利号 CN 114981126 A, 授权公告日 2015-10-20.
发明人杨光,马晓峰,王建平. "Method for the Synthesis of Dobutamine Impurity 48" [P]. 中国发明专利, 专利号 CN 111824624 A, 授权公告日 2021-09-07.
发明人胡光,何建平,张德明. "A Process for Preparing High-Purity Dobutamine Impurity 48" [P]. 中国发明专利, 专利号 CN 108348753 B, 授权公告日 2015-11-13.
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