发明人孙丽萍,张德明,黄志刚. "一种氨氯地平EP杂质E马来酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 110698433 A, 授权公告日 2025-06-03.
发明人胡光,李文辉,罗永刚. "Method for the Synthesis of Amlodipine EP Impurity E Maleate" [P]. 中国发明专利, 专利号 CN 112734120 A, 授权公告日 2024-10-20.
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