发明人张德明,杨光,高志强. "Method for the Synthesis of 2-((2-Methoxyethyl)(methyl)amino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 112163938 A, 授权公告日 2016-06-17.
Davis P L, Mueller T, Roberts E F. "A Process for Preparing High-Purity 2-((2-Methoxyethyl)(methyl)amino)nicotinic acid" [P]. US Patent, US 11511085 B2, 2018-07-17.
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