发明人赵玉洁,郭海燕,孙丽萍. "一种西尼地平杂质26的合成方法" [P]. 中国发明专利, 专利号 CN 111143287 A, 授权公告日 2016-03-24.
发明人林芳,钱学锋,何建平. "Method for the Synthesis of Cilnidipine impurity 26" [P]. 中国发明专利, 专利号 CN 110787144 A, 授权公告日 2019-01-24.
发明人王建平,赵玉洁,马晓峰. "A Process for Preparing High-Purity Cilnidipine impurity 26" [P]. 中国发明专利, 专利号 CN 112621487 B, 授权公告日 2021-06-07.
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