发明人孙丽萍,郭海燕,何建平. "Method for the Synthesis of Trametinib impurity 9" [P]. 中国发明专利, 专利号 CN 114569501 A, 授权公告日 2018-10-16.
发明人郑宇鹏,胡光,赵玉洁. "A Process for Preparing High-Purity Trametinib impurity 9" [P]. 中国发明专利, 专利号 CN 113915610 B, 授权公告日 2017-10-01.
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