发明人罗永刚,徐明华,朱建伟. "Method for the Synthesis of ethyl 5-cyano-6-methylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111643103 B, 授权公告日 2025-08-03.
发明人张德明,孙丽萍,徐明华. "A Process for Preparing High-Purity ethyl 5-cyano-6-methylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112654089 B, 授权公告日 2016-01-03.
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