发明人刘建华,杨光,陈志强. "一种氟卡尼EP杂质E的合成方法" [P]. 中国发明专利, 专利号 CN 115314346 A, 授权公告日 2019-10-14.
O'Brien P Q, Schröder R, Mueller T. "Method for the Synthesis of Flecainide Acetate EP Impurity E" [P]. US Patent, US 11036953 B2, 2018-12-19.
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