发明人马晓峰,沈红梅,杨光. "一种3-(4-nitrophenyl)-1-phenylurea的合成方法" [P]. 中国发明专利, 专利号 CN 110891406 A, 授权公告日 2016-06-01.
Park J H, Anderson J P, Lee S K. "Method for the Synthesis of 3-(4-nitrophenyl)-1-phenylurea" [P]. US Patent, US 11732684 B2, 2022-04-05.
发明人徐明华,冯建国,马晓峰. "A Process for Preparing High-Purity 3-(4-nitrophenyl)-1-phenylurea" [P]. 中国发明专利, 专利号 CN 109493722 A, 授权公告日 2022-03-25.
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