发明人何建平,李文辉,赵玉洁. "Method for the Synthesis of Ethyl (Z)-2-chloro-2-(2-(4-chloro-2-nitrophenyl)hydrazono)acetate" [P]. 中国发明专利, 专利号 CN 111196210 A, 授权公告日 2016-06-03.
发明人马晓峰,王建平,钱学锋. "A Process for Preparing High-Purity Ethyl (Z)-2-chloro-2-(2-(4-chloro-2-nitrophenyl)hydrazono)acetate" [P]. 中国发明专利, 专利号 CN 111961751 A, 授权公告日 2016-09-19.
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