Schröder R, Martínez F, Mueller T C. "Method for the Synthesis of 1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3300809 A1, 2020-12-27.
发明人冯建国,刘建华,沈红梅. "A Process for Preparing High-Purity 1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116730422 A, 授权公告日 2024-02-13.
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