发明人朱建伟,周伟,唐晓军. "Method for the Synthesis of N-(3-Chlorophenyl)-1,1-dioxo-2,3-dihydrothiophen-3-amine" [P]. 中国发明专利, 专利号 CN 117962464 A, 授权公告日 2022-07-12.
发明人郭海燕,赵玉洁,杨光. "A Process for Preparing High-Purity N-(3-Chlorophenyl)-1,1-dioxo-2,3-dihydrothiophen-3-amine" [P]. 中国发明专利, 专利号 CN 112776522 B, 授权公告日 2021-02-10.
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