发明人冯建国,张德明,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109469063 A, 授权公告日 2025-06-16.
发明人何建平,周伟,赵玉洁. "Method for the Synthesis of 1,3-Diethyl 2-{[(3-methyl-1-phenyl-1H-pyrazol-5-yl)amino]methylidene}propanedioate" [P]. 中国发明专利, 专利号 CN 113648129 A, 授权公告日 2018-10-26.
发明人陈志强,赵玉洁,郭海燕. "A Process for Preparing High-Purity 1,3-Diethyl 2-{[(3-methyl-1-phenyl-1H-pyrazol-5-yl)amino]methylidene}propanedioate" [P]. 中国发明专利, 专利号 CN 114035252 B, 授权公告日 2024-10-06.
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