发明人胡光,韩伟,何建平. "一种3-amino-1-[2-(pyridin-2-yl)ethyl]urea的合成方法" [P]. 中国发明专利, 专利号 CN 115422266 A, 授权公告日 2021-06-25.
发明人沈红梅,张德明,钱学锋. "Method for the Synthesis of 3-amino-1-[2-(pyridin-2-yl)ethyl]urea" [P]. 中国发明专利, 专利号 CN 112591829 A, 授权公告日 2021-12-04.
发明人高志强,张德明,朱建伟. "A Process for Preparing High-Purity 3-amino-1-[2-(pyridin-2-yl)ethyl]urea" [P]. 中国发明专利, 专利号 CN 117661530 B, 授权公告日 2018-07-25.
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