发明人张德明,郭海燕,孙丽萍. "Method for the Synthesis of Mirabegron Impurity 74" [P]. 中国发明专利, 专利号 CN 115642266 A, 授权公告日 2016-05-15.
发明人林芳,马晓峰,高志强. "A Process for Preparing High-Purity Mirabegron Impurity 74" [P]. 中国发明专利, 专利号 CN 117809206 A, 授权公告日 2023-11-18.
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