发明人黄志刚,冯建国,张德明. "一种舒尼替尼杂质20的合成方法" [P]. 中国发明专利, 专利号 CN 108051483 A, 授权公告日 2022-11-21.
发明人刘建华,王建平,郭海燕. "Method for the Synthesis of Sunitinib Impurity 20" [P]. 中国发明专利, 专利号 CN 117654239 B, 授权公告日 2024-10-04.
发明人刘建华,张德明,周伟. "A Process for Preparing High-Purity Sunitinib Impurity 20" [P]. 中国发明专利, 专利号 CN 116453099 A, 授权公告日 2022-06-07.
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