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发明人黄志刚,周伟,张德明. "Method for the Synthesis of 2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 115761089 A, 授权公告日 2024-09-01.
发明人王建平,朱建伟,徐明华. "A Process for Preparing High-Purity 2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 113558612 B, 授权公告日 2019-11-07.
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