发明人韩伟,高志强,徐明华. "Method for the Synthesis of 5-Ethyl-2-methyl-4-nitropyridine 1-oxide" [P]. 中国发明专利, 专利号 CN 117107983 A, 授权公告日 2025-04-09.
发明人刘建华,李文辉,郑宇鹏. "A Process for Preparing High-Purity 5-Ethyl-2-methyl-4-nitropyridine 1-oxide" [P]. 中国发明专利, 专利号 CN 116311215 A, 授权公告日 2021-07-24.
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