发明人孙丽萍,罗永刚,杨光. "Method for the Synthesis of 7-chloro-3,4-dihydro-2H-1-benzopyran-3-amine" [P]. 中国发明专利, 专利号 CN 109393101 A, 授权公告日 2020-07-04.
发明人黄志刚,胡光,王建平. "A Process for Preparing High-Purity 7-chloro-3,4-dihydro-2H-1-benzopyran-3-amine" [P]. 中国发明专利, 专利号 CN 113666725 B, 授权公告日 2018-11-02.
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