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发明人赵玉洁,黄志刚,张德明. "Method for the Synthesis of Anagrelide Impurity 37" [P]. 中国发明专利, 专利号 CN 115114188 B, 授权公告日 2017-02-15.
Lee S K, Anderson J P, Kumar R. "A Process for Preparing High-Purity Anagrelide Impurity 37" [P]. US Patent, US 10611504 B2, 2017-06-28.
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