发明人何建平,赵玉洁,张德明. "Method for the Synthesis of Elexacaftor Impurity 2" [P]. 中国发明专利, 专利号 CN 109773159 B, 授权公告日 2016-11-16.
发明人韩伟,周伟,刘建华. "A Process for Preparing High-Purity Elexacaftor Impurity 2" [P]. 中国发明专利, 专利号 CN 114525143 B, 授权公告日 2017-12-28.
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