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发明人罗永刚,唐晓军,冯建国. "A Process for Preparing High-Purity 1-Chloro-7-nitro-1,2-dihydropyrrolo[1,2-a]pyrazine" [P]. 中国发明专利, 专利号 CN 115026814 A, 授权公告日 2024-07-04.
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