发明人王建平,何建平,张德明. "一种福莫特罗杂质55的合成方法" [P]. 中国发明专利, 专利号 CN 117611765 A, 授权公告日 2016-02-02.
发明人何建平,王建平,徐明华. "Method for the Synthesis of Formoterol Impurity 55" [P]. 中国发明专利, 专利号 CN 108678734 B, 授权公告日 2025-11-06.
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