发明人张德明,林芳,王建平. "Method for the Synthesis of 3-Chloro-4-(cyanomethoxy)-5-ethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 115931618 A, 授权公告日 2022-01-05.
发明人孙丽萍,周伟,张德明. "A Process for Preparing High-Purity 3-Chloro-4-(cyanomethoxy)-5-ethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 115459950 A, 授权公告日 2022-01-28.
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