发明人唐晓军,何建平,杨光. "Method for the Synthesis of Methyl 5-bromo-2-(3-ethylureido)benzoate" [P]. 中国发明专利, 专利号 CN 114768339 A, 授权公告日 2015-01-18.
发明人唐晓军,李文辉,黄志刚. "A Process for Preparing High-Purity Methyl 5-bromo-2-(3-ethylureido)benzoate" [P]. 中国发明专利, 专利号 CN 109853561 A, 授权公告日 2019-11-20.
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