发明人孙丽萍,冯建国,胡光. "Method for the Synthesis of 1-[[2-(2,3-Dichlorophenoxy)acetyl]amino]-3-(4-methylphenyl)thiourea" [P]. 中国发明专利, 专利号 CN 116572657 A, 授权公告日 2017-02-21.
发明人马晓峰,赵玉洁,郭海燕. "A Process for Preparing High-Purity 1-[[2-(2,3-Dichlorophenoxy)acetyl]amino]-3-(4-methylphenyl)thiourea" [P]. 中国发明专利, 专利号 CN 114112595 B, 授权公告日 2020-05-11.
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