发明人张德明,陈志强,罗永刚. "Method for the Synthesis of 2-Chloro-alpha,4-dimethyl-benzeneacetic acid, methyl ester" [P]. 中国发明专利, 专利号 CN 111843626 B, 授权公告日 2022-08-15.
发明人徐明华,唐晓军,罗永刚. "A Process for Preparing High-Purity 2-Chloro-alpha,4-dimethyl-benzeneacetic acid, methyl ester" [P]. 中国发明专利, 专利号 CN 110670661 A, 授权公告日 2017-05-17.
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