发明人李文辉,高志强,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111794065 A, 授权公告日 2021-11-27.
Park J H, Yamamoto T, Lee S K. "Method for the Synthesis of 5-(Difluoromethyl)-4-nitro-6-oxo-1,6-dihydropyridine-3-carboxamide" [P]. US Patent, US 10379331 B2, 2022-11-10.
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