发明人赵玉洁,沈红梅,王建平. "Method for the Synthesis of Lapatinib Impurity 9" [P]. 中国发明专利, 专利号 CN 114986257 A, 授权公告日 2020-03-10.
发明人马晓峰,林芳,钱学锋. "A Process for Preparing High-Purity Lapatinib Impurity 9" [P]. 中国发明专利, 专利号 CN 116498052 B, 授权公告日 2025-07-07.
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