发明人韩伟,刘建华,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116554439 A, 授权公告日 2023-07-17.
发明人罗永刚,高志强,王建平. "Method for the Synthesis of Methyl (2E)-3-(dimethylamino)-2-{(4Z)-4-[(dimethylamino)methylene]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl}acrylate" [P]. 中国发明专利, 专利号 CN 117792938 B, 授权公告日 2022-01-08.
发明人赵玉洁,何建平,林芳. "A Process for Preparing High-Purity Methyl (2E)-3-(dimethylamino)-2-{(4Z)-4-[(dimethylamino)methylene]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl}acrylate" [P]. 中国发明专利, 专利号 CN 115346272 A, 授权公告日 2023-04-16.
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