发明人朱建伟,孙丽萍,唐晓军. "Method for the Synthesis of Fenoterol EP Impurity B (Enantiomer Mixture)HCl" [P]. 中国发明专利, 专利号 CN 116320515 A, 授权公告日 2021-06-01.
发明人唐晓军,林芳,郑宇鹏. "A Process for Preparing High-Purity Fenoterol EP Impurity B (Enantiomer Mixture)HCl" [P]. 中国发明专利, 专利号 CN 109871053 A, 授权公告日 2015-04-22.
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