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发明人郭海燕,钱学锋,唐晓军. "A Process for Preparing High-Purity 2-chloro-5,5-difluoro-4,6-dihydropyrrolo[1,2-b]pyrazole" [P]. 中国发明专利, 专利号 CN 109696351 B, 授权公告日 2024-02-09.
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