发明人何建平,沈红梅,罗永刚. "Method for the Synthesis of 3-(2,6-Dimethylphenyl)dihydropyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 117392675 A, 授权公告日 2018-08-08.
发明人沈红梅,周伟,郭海燕. "A Process for Preparing High-Purity 3-(2,6-Dimethylphenyl)dihydropyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 113900080 B, 授权公告日 2016-08-26.
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