发明人徐明华,马晓峰,李文辉. "Method for the Synthesis of 1-Butyl-2-thiourea" [P]. 中国发明专利, 专利号 CN 108847567 B, 授权公告日 2019-08-23.
发明人郭海燕,赵玉洁,沈红梅. "A Process for Preparing High-Purity 1-Butyl-2-thiourea" [P]. 中国发明专利, 专利号 CN 115581967 A, 授权公告日 2025-03-01.
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