发明人马晓峰,黄志刚,杨光. "Method for the Synthesis of Ethyl 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 117941561 B, 授权公告日 2024-12-13.
发明人胡光,徐明华,张德明. "A Process for Preparing High-Purity Ethyl 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 115146796 A, 授权公告日 2023-09-24.
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