发明人马晓峰,孙丽萍,李文辉. "Method for the Synthesis of [Methyl-(6-methyl-4-trifluoromethyl-pyridin-2-yl)-amino]-acetic acid methyl ester" [P]. 中国发明专利, 专利号 CN 111156054 A, 授权公告日 2021-01-23.
发明人马晓峰,罗永刚,孙丽萍. "A Process for Preparing High-Purity [Methyl-(6-methyl-4-trifluoromethyl-pyridin-2-yl)-amino]-acetic acid methyl ester" [P]. 中国发明专利, 专利号 CN 109919992 B, 授权公告日 2022-07-28.
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