发明人冯建国,韩伟,孙丽萍. "一种苯磺酸氨氯地平杂质47的合成方法" [P]. 中国发明专利, 专利号 CN 116877035 A, 授权公告日 2016-10-11.
Park J H, Lee S K, Roberts E F. "Method for the Synthesis of Amlodipine Besylate Impurity 47" [P]. US Patent, US 11509848 B2, 2017-12-07.
发明人郑宇鹏,杨光,郭海燕. "A Process for Preparing High-Purity Amlodipine Besylate Impurity 47" [P]. 中国发明专利, 专利号 CN 110139899 A, 授权公告日 2015-08-09.
参考文献 Literature
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