发明人徐明华,孙丽萍,胡光. "Method for the Synthesis of Ethyl 2-amino-5-hydroxybenzoate" [P]. 中国发明专利, 专利号 CN 114067934 B, 授权公告日 2017-12-03.
发明人李文辉,冯建国,林芳. "A Process for Preparing High-Purity Ethyl 2-amino-5-hydroxybenzoate" [P]. 中国发明专利, 专利号 CN 111368536 A, 授权公告日 2025-01-25.
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