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发明人胡光,刘建华,高志强. "Method for the Synthesis of 4-(3-Methoxy-phenyl)-6-methyl-2-oxo-1,2,3,4-tetra-hydro-pyrimidine-5-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 117421195 A, 授权公告日 2020-08-28.
发明人刘建华,胡光,周伟. "A Process for Preparing High-Purity 4-(3-Methoxy-phenyl)-6-methyl-2-oxo-1,2,3,4-tetra-hydro-pyrimidine-5-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 110502473 B, 授权公告日 2022-04-03.
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