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发明人张德明,冯建国,唐晓军. "A Process for Preparing High-Purity 6-((2-Phenylhydrazono)methyl)pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 111548085 B, 授权公告日 2015-03-22.
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