发明人张德明,罗永刚,黄志刚. "Method for the Synthesis of 4-N-phenylpyridine-3,4-diamine" [P]. 中国发明专利, 专利号 CN 111827267 B, 授权公告日 2018-08-21.
发明人高志强,李文辉,沈红梅. "A Process for Preparing High-Purity 4-N-phenylpyridine-3,4-diamine" [P]. 中国发明专利, 专利号 CN 115348125 A, 授权公告日 2025-05-05.
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