发明人刘建华,李文辉,何建平. "Method for the Synthesis of Methyl 4-cyano-2-hydroxybenzoate" [P]. 中国发明专利, 专利号 CN 109069382 A, 授权公告日 2024-07-15.
发明人唐晓军,何建平,赵玉洁. "A Process for Preparing High-Purity Methyl 4-cyano-2-hydroxybenzoate" [P]. 中国发明专利, 专利号 CN 108026393 B, 授权公告日 2019-10-01.
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