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发明人刘建华,胡光,马晓峰. "Method for the Synthesis of Benzyl 2-((4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 109076714 A, 授权公告日 2021-12-20.
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