发明人冯建国,孙丽萍,唐晓军. "Method for the Synthesis of Ethyl 2-amino-4-cyanopyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110366575 A, 授权公告日 2024-08-02.
发明人孙丽萍,沈红梅,胡光. "A Process for Preparing High-Purity Ethyl 2-amino-4-cyanopyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116867651 A, 授权公告日 2023-08-06.
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