发明人郭海燕,胡光,林芳. "Method for the Synthesis of Salbutamol Impurity 71" [P]. 中国发明专利, 专利号 CN 112749417 B, 授权公告日 2020-05-25.
发明人刘建华,高志强,张德明. "A Process for Preparing High-Purity Salbutamol Impurity 71" [P]. 中国发明专利, 专利号 CN 108180433 A, 授权公告日 2025-03-05.
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