发明人徐明华,周伟,林芳. "Method for the Synthesis of Imidazo[1,2-a]pyrimidine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 117938859 B, 授权公告日 2017-07-22.
发明人张德明,马晓峰,郑宇鹏. "A Process for Preparing High-Purity Imidazo[1,2-a]pyrimidine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 108363815 A, 授权公告日 2022-02-26.
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