发明人赵玉洁,周伟,杨光. "Method for the Synthesis of Agomelatine Impurity 20" [P]. 中国发明专利, 专利号 CN 117871721 B, 授权公告日 2018-05-22.
发明人张德明,何建平,王建平. "A Process for Preparing High-Purity Agomelatine Impurity 20" [P]. 中国发明专利, 专利号 CN 108639630 A, 授权公告日 2019-12-15.
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