发明人黄志刚,李文辉,张德明. "Method for the Synthesis of Palbociclib Impurity 180" [P]. 中国发明专利, 专利号 CN 114227765 B, 授权公告日 2020-10-07.
Lee S K, Chen K W, Thompson G K. "A Process for Preparing High-Purity Palbociclib Impurity 180" [P]. US Patent, US 10424206 B2, 2015-05-17.
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