发明人郭海燕,沈红梅,马晓峰. "Method for the Synthesis of Ethyl 1-ethyl-6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113493757 B, 授权公告日 2015-05-10.
Hughes D C, Park J H, Schröder R. "A Process for Preparing High-Purity Ethyl 1-ethyl-6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. US Patent, US 10923438 B2, 2015-10-10.
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