发明人张德明,冯建国,孙丽萍. "Method for the Synthesis of N-Butyl-4-chlorobenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 110848709 B, 授权公告日 2023-03-22.
发明人周伟,胡光,高志强. "A Process for Preparing High-Purity N-Butyl-4-chlorobenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 116618998 A, 授权公告日 2015-02-13.
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