发明人唐晓军,何建平,罗永刚. "Method for the Synthesis of Phenyl 3-amino-4-(phenylamino)benzoate" [P]. 中国发明专利, 专利号 CN 109295174 B, 授权公告日 2019-03-10.
发明人郭海燕,赵玉洁,黄志刚. "A Process for Preparing High-Purity Phenyl 3-amino-4-(phenylamino)benzoate" [P]. 中国发明专利, 专利号 CN 108933411 B, 授权公告日 2023-04-25.
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