发明人刘建华,郭海燕,黄志刚. "Method for the Synthesis of 3-(Difluoromethyl)-6-iodo-5-nitropicolinonitrile" [P]. 中国发明专利, 专利号 CN 109994656 B, 授权公告日 2016-07-02.
发明人唐晓军,郭海燕,赵玉洁. "A Process for Preparing High-Purity 3-(Difluoromethyl)-6-iodo-5-nitropicolinonitrile" [P]. 中国发明专利, 专利号 CN 113212999 B, 授权公告日 2021-07-03.
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