发明人钱学锋,唐晓军,李文辉. "Method for the Synthesis of 4-Chloro-2-cyano-3-hydroxy-but-2-enoic acid 4-chloro-benzylamide" [P]. 中国发明专利, 专利号 CN 111263958 A, 授权公告日 2019-09-19.
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