发明人刘建华,赵玉洁,徐明华. "Method for the Synthesis of 5-Bromoindolizine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 108492542 A, 授权公告日 2025-07-16.
发明人韩伟,郭海燕,胡光. "A Process for Preparing High-Purity 5-Bromoindolizine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116487688 B, 授权公告日 2025-02-19.
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