Davis P L, Lee S K, Yamamoto T. "Method for the Synthesis of 2,4'-Difluoro-[1,1'-biphenyl]-4-sulfonyl chloride" [P]. US Patent, US 10033589 B2, 2021-04-16.
发明人冯建国,林芳,孙丽萍. "A Process for Preparing High-Purity 2,4'-Difluoro-[1,1'-biphenyl]-4-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108668138 A, 授权公告日 2021-04-24.
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