发明人郭海燕,韩伟,沈红梅. "Method for the Synthesis of 4,4-Dimethyl-1-[2-(trifluoromethyl)phenyl]-1,4-dihydropyrimidine-2-thiol" [P]. 中国发明专利, 专利号 CN 112140994 B, 授权公告日 2023-09-21.
发明人郭海燕,杨光,周伟. "A Process for Preparing High-Purity 4,4-Dimethyl-1-[2-(trifluoromethyl)phenyl]-1,4-dihydropyrimidine-2-thiol" [P]. 中国发明专利, 专利号 CN 113829575 B, 授权公告日 2021-03-25.
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