发明人林芳,李文辉,唐晓军. "Method for the Synthesis of Ethyl N-[2-({2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-yl}methylidene)-3-[(ethoxycarbonyl)amino]-3-oxopropanoyl]carbamate" [P]. 中国发明专利, 专利号 CN 111615348 B, 授权公告日 2024-04-19.
发明人马晓峰,沈红梅,何建平. "A Process for Preparing High-Purity Ethyl N-[2-({2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-yl}methylidene)-3-[(ethoxycarbonyl)amino]-3-oxopropanoyl]carbamate" [P]. 中国发明专利, 专利号 CN 114652943 A, 授权公告日 2020-12-23.
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