发明人陈志强,张德明,林芳. "一种1-(3-aminophenyl)-3-ethyl-1-methylurea的合成方法" [P]. 中国发明专利, 专利号 CN 112867136 A, 授权公告日 2025-07-14.
发明人张德明,罗永刚,高志强. "Method for the Synthesis of 1-(3-aminophenyl)-3-ethyl-1-methylurea" [P]. 中国发明专利, 专利号 CN 111959396 B, 授权公告日 2015-01-26.
发明人沈红梅,马晓峰,赵玉洁. "A Process for Preparing High-Purity 1-(3-aminophenyl)-3-ethyl-1-methylurea" [P]. 中国发明专利, 专利号 CN 115049162 A, 授权公告日 2017-08-01.
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