发明人高志强,韩伟,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110452736 A, 授权公告日 2019-04-22.
发明人钱学锋,沈红梅,赵玉洁. "Method for the Synthesis of 3,5-Diethyl 6-({[(4-chlorophenyl)carbamoyl]amino}amino)-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110759081 A, 授权公告日 2025-12-16.
发明人唐晓军,沈红梅,何建平. "A Process for Preparing High-Purity 3,5-Diethyl 6-({[(4-chlorophenyl)carbamoyl]amino}amino)-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115646833 B, 授权公告日 2022-09-14.
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