发明人李文辉,徐明华,罗永刚. "Method for the Synthesis of Anagrelide USP Related Compound D HBr" [P]. 中国发明专利, 专利号 CN 114878394 B, 授权公告日 2020-02-14.
发明人孙丽萍,胡光,陈志强. "A Process for Preparing High-Purity Anagrelide USP Related Compound D HBr" [P]. 中国发明专利, 专利号 CN 111880827 A, 授权公告日 2020-02-05.
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