发明人唐晓军,高志强,胡光. "Method for the Synthesis of Sunitinib Impurity 47" [P]. 中国发明专利, 专利号 CN 117106471 A, 授权公告日 2021-03-16.
发明人罗永刚,张德明,徐明华. "A Process for Preparing High-Purity Sunitinib Impurity 47" [P]. 中国发明专利, 专利号 CN 108435505 B, 授权公告日 2024-02-24.
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