发明人张德明,何建平,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117157619 A, 授权公告日 2025-07-24.
发明人杨光,沈红梅,冯建国. "Method for the Synthesis of Ethyl 3-(benzyloxy)-1-methyl-5-nitro-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115487138 A, 授权公告日 2022-12-14.
发明人唐晓军,周伟,韩伟. "A Process for Preparing High-Purity Ethyl 3-(benzyloxy)-1-methyl-5-nitro-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111239023 A, 授权公告日 2020-05-03.
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