发明人冯建国,高志强,杨光. "Method for the Synthesis of 4-(4-(Difluoromethoxy)phenyl)-2-hydrazinylpyrimidine" [P]. 中国发明专利, 专利号 CN 109855279 A, 授权公告日 2020-01-19.
发明人黄志刚,杨光,徐明华. "A Process for Preparing High-Purity 4-(4-(Difluoromethoxy)phenyl)-2-hydrazinylpyrimidine" [P]. 中国发明专利, 专利号 CN 110068743 B, 授权公告日 2022-07-16.
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