发明人徐明华,罗永刚,刘建华. "Method for the Synthesis of 4-Methylpyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110377189 A, 授权公告日 2025-08-17.
发明人沈红梅,钱学锋,林芳. "A Process for Preparing High-Purity 4-Methylpyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116801331 B, 授权公告日 2025-01-14.
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