发明人何建平,罗永刚,刘建华. "Method for the Synthesis of Ethyl 2,4-dichloro-6-methylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111140834 A, 授权公告日 2025-01-06.
发明人罗永刚,周伟,郑宇鹏. "A Process for Preparing High-Purity Ethyl 2,4-dichloro-6-methylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114952453 A, 授权公告日 2024-02-23.
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