发明人王建平,唐晓军,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109957859 A, 授权公告日 2021-08-27.
发明人刘建华,郭海燕,朱建伟. "Method for the Synthesis of (2R,4S)-4-Ethylhexahydropyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115131043 A, 授权公告日 2024-08-05.
发明人张德明,郑宇鹏,林芳. "A Process for Preparing High-Purity (2R,4S)-4-Ethylhexahydropyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113714885 A, 授权公告日 2016-11-04.
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