发明人何建平,高志强,陈志强. "Method for the Synthesis of Ketotifen EP Impurity G" [P]. 中国发明专利, 专利号 CN 110216750 A, 授权公告日 2025-02-04.
Hughes D C, Patel M V, Anderson J P. "A Process for Preparing High-Purity Ketotifen EP Impurity G" [P]. US Patent, US 10388265 B2, 2021-09-17.
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