发明人陈志强,高志强,罗永刚. "Method for the Synthesis of 4-Amino-2-ethoxy-benzoic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 117666043 A, 授权公告日 2022-05-22.
发明人高志强,张德明,周伟. "A Process for Preparing High-Purity 4-Amino-2-ethoxy-benzoic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 114472406 B, 授权公告日 2022-05-13.
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