发明人李文辉,林芳,孙丽萍. "Method for the Synthesis of 4-(methylamino)quinazoline-2-thiol" [P]. 中国发明专利, 专利号 CN 110298178 B, 授权公告日 2024-05-17.
发明人罗永刚,刘建华,胡光. "A Process for Preparing High-Purity 4-(methylamino)quinazoline-2-thiol" [P]. 中国发明专利, 专利号 CN 115028426 B, 授权公告日 2018-05-24.
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