发明人徐明华,刘建华,马晓峰. "Method for the Synthesis of 5-Ethyl-2-((4-ethylphenyl)amino)-6-methylpyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 114805236 A, 授权公告日 2019-03-16.
发明人沈红梅,黄志刚,朱建伟. "A Process for Preparing High-Purity 5-Ethyl-2-((4-ethylphenyl)amino)-6-methylpyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 109175646 B, 授权公告日 2025-01-23.
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