Mueller T C, Johansson L, Björnsson E. "Method for the Synthesis of 7-Chloro-1-ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione" [P]. European Patent, EP 3166077 A1, 2017-10-11.
发明人刘建华,徐明华,陈志强. "A Process for Preparing High-Purity 7-Chloro-1-ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione" [P]. 中国发明专利, 专利号 CN 117250139 A, 授权公告日 2019-06-21.
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