发明人刘建华,钱学锋,黄志刚. "Method for the Synthesis of Ethyl 1,6-dimethyl-2-oxo-4-(m-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111176583 A, 授权公告日 2022-05-14.
Schröder R, Chen K W, Fischer A B. "A Process for Preparing High-Purity Ethyl 1,6-dimethyl-2-oxo-4-(m-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. US Patent, US 9429475 B2, 2022-04-05.
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