发明人王建平,钱学锋,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116835855 A, 授权公告日 2023-04-16.
发明人唐晓军,李文辉,马晓峰. "Method for the Synthesis of Ethyl 3,4-diamino-5-bromobenzoate" [P]. 中国发明专利, 专利号 CN 108378806 B, 授权公告日 2016-09-21.
发明人李文辉,郭海燕,林芳. "A Process for Preparing High-Purity Ethyl 3,4-diamino-5-bromobenzoate" [P]. 中国发明专利, 专利号 CN 113444307 B, 授权公告日 2020-07-18.
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