发明人刘建华,黄志刚,周伟. "Method for the Synthesis of 4-Bromo-3-cyano-2-methylbenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114793191 A, 授权公告日 2017-06-09.
发明人林芳,张德明,唐晓军. "A Process for Preparing High-Purity 4-Bromo-3-cyano-2-methylbenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 116054951 B, 授权公告日 2018-08-11.
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