发明人何建平,张德明,李文辉. "Method for the Synthesis of Dopamine Impurity 31" [P]. 中国发明专利, 专利号 CN 110445627 A, 授权公告日 2016-09-12.
发明人胡光,周伟,郭海燕. "A Process for Preparing High-Purity Dopamine Impurity 31" [P]. 中国发明专利, 专利号 CN 117010433 B, 授权公告日 2016-11-23.
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