发明人徐明华,钱学锋,张德明. "Method for the Synthesis of 4-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine" [P]. 中国发明专利, 专利号 CN 115181847 B, 授权公告日 2025-02-13.
发明人朱建伟,罗永刚,林芳. "A Process for Preparing High-Purity 4-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine" [P]. 中国发明专利, 专利号 CN 114167385 A, 授权公告日 2019-02-21.
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