Lefèvre J P, Nowak P, Johansson L. "Method for the Synthesis of 4-((4-Chlorophenyl)amino)-2H-chromen-2-one" [P]. European Patent, EP 3692100 A1, 2024-04-17.
发明人唐晓军,杨光,李文辉. "A Process for Preparing High-Purity 4-((4-Chlorophenyl)amino)-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 115506939 B, 授权公告日 2021-03-01.
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