发明人刘建华,胡光,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112149976 A, 授权公告日 2019-12-08.
发明人徐明华,王建平,罗永刚. "Method for the Synthesis of 1-(3-(Benzyloxy)pyridin-2-yl)-3-(4-nitrophenyl)urea" [P]. 中国发明专利, 专利号 CN 111055288 B, 授权公告日 2024-02-10.
发明人林芳,赵玉洁,徐明华. "A Process for Preparing High-Purity 1-(3-(Benzyloxy)pyridin-2-yl)-3-(4-nitrophenyl)urea" [P]. 中国发明专利, 专利号 CN 108349478 B, 授权公告日 2025-01-07.
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