发明人黄志刚,钱学锋,何建平. "Method for the Synthesis of 2-Amino-4-(ethoxycarbonyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 108657273 A, 授权公告日 2022-08-03.
Mueller T, Lee S K, Schröder R. "A Process for Preparing High-Purity 2-Amino-4-(ethoxycarbonyl)benzoic acid" [P]. US Patent, US 10969136 B2, 2021-07-19.
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