发明人徐明华,冯建国,胡光. "Method for the Synthesis of Atracurium Impurity 54 (R-Tetrahydropapaverine) HCl" [P]. 中国发明专利, 专利号 CN 111933317 A, 授权公告日 2016-12-03.
发明人胡光,刘建华,赵玉洁. "A Process for Preparing High-Purity Atracurium Impurity 54 (R-Tetrahydropapaverine) HCl" [P]. 中国发明专利, 专利号 CN 109721819 B, 授权公告日 2017-06-24.
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