发明人林芳,何建平,郭海燕. "Method for the Synthesis of Ethyl 2-{[6-chloro-2-(4-chlorophenyl)-1H-1,3-benzodiazol-1-yl]oxy}acetate" [P]. 中国发明专利, 专利号 CN 117192040 B, 授权公告日 2016-07-10.
发明人刘建华,高志强,徐明华. "A Process for Preparing High-Purity Ethyl 2-{[6-chloro-2-(4-chlorophenyl)-1H-1,3-benzodiazol-1-yl]oxy}acetate" [P]. 中国发明专利, 专利号 CN 110119843 A, 授权公告日 2023-02-07.
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