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发明人赵玉洁,周伟,冯建国. "Method for the Synthesis of Pralatrexate Impurity 2" [P]. 中国发明专利, 专利号 CN 114953164 B, 授权公告日 2021-01-04.
发明人何建平,周伟,郑宇鹏. "A Process for Preparing High-Purity Pralatrexate Impurity 2" [P]. 中国发明专利, 专利号 CN 113709328 A, 授权公告日 2023-12-28.
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