发明人周伟,杨光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117975468 A, 授权公告日 2024-07-09.
发明人赵玉洁,周伟,徐明华. "Method for the Synthesis of 1-(2-Chlorophenyl)-3-(2-ethyl-2-hydroxybutyl)urea" [P]. 中国发明专利, 专利号 CN 116019911 A, 授权公告日 2019-02-22.
发明人李文辉,张德明,杨光. "A Process for Preparing High-Purity 1-(2-Chlorophenyl)-3-(2-ethyl-2-hydroxybutyl)urea" [P]. 中国发明专利, 专利号 CN 109719877 B, 授权公告日 2017-11-04.
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