发明人张德明,冯建国,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117847084 A, 授权公告日 2019-03-14.
发明人李文辉,杨光,王建平. "Method for the Synthesis of 4-Amino-6-(2-aminoethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 112960946 A, 授权公告日 2023-12-15.
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