发明人刘建华,沈红梅,孙丽萍. "Method for the Synthesis of N-(5-Aminopentyl) Methotrexate Amide" [P]. 中国发明专利, 专利号 CN 112979499 B, 授权公告日 2018-04-19.
发明人周伟,郑宇鹏,孙丽萍. "A Process for Preparing High-Purity N-(5-Aminopentyl) Methotrexate Amide" [P]. 中国发明专利, 专利号 CN 115897782 B, 授权公告日 2024-06-17.
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