发明人郭海燕,朱建伟,何建平. "Method for the Synthesis of 4-Ethyl-1-methyl-3-(tetrahydro-2h-pyran-3-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 114519241 B, 授权公告日 2016-11-06.
发明人韩伟,李文辉,沈红梅. "A Process for Preparing High-Purity 4-Ethyl-1-methyl-3-(tetrahydro-2h-pyran-3-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 113330159 A, 授权公告日 2023-06-27.
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