发明人杨光,赵玉洁,郑宇鹏. "Method for the Synthesis of 1-(5-Chloro-2,4-dimethoxyphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol" [P]. 中国发明专利, 专利号 CN 111406396 B, 授权公告日 2017-07-19.
发明人黄志刚,杨光,何建平. "A Process for Preparing High-Purity 1-(5-Chloro-2,4-dimethoxyphenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol" [P]. 中国发明专利, 专利号 CN 109394016 B, 授权公告日 2016-11-05.
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