发明人何建平,沈红梅,张德明. "一种多巴酚丁胺杂质41的合成方法" [P]. 中国发明专利, 专利号 CN 110019916 A, 授权公告日 2017-06-10.
发明人高志强,罗永刚,李文辉. "Method for the Synthesis of Dobutamine Impurity 41" [P]. 中国发明专利, 专利号 CN 112224304 A, 授权公告日 2019-04-23.
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