发明人何建平,杨光,张德明. "Method for the Synthesis of 4-(2-Methoxyethoxy)nicotinic acid" [P]. 中国发明专利, 专利号 CN 111426869 A, 授权公告日 2015-01-11.
发明人黄志刚,郑宇鹏,刘建华. "A Process for Preparing High-Purity 4-(2-Methoxyethoxy)nicotinic acid" [P]. 中国发明专利, 专利号 CN 117079468 A, 授权公告日 2023-07-21.
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