发明人陈志强,郭海燕,罗永刚. "Method for the Synthesis of 4-Bromo-2-cyano-5-hydroxybenzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117503478 A, 授权公告日 2021-10-05.
发明人徐明华,张德明,王建平. "A Process for Preparing High-Purity 4-Bromo-2-cyano-5-hydroxybenzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114020015 B, 授权公告日 2015-04-28.
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