发明人沈红梅,赵玉洁,唐晓军. "Method for the Synthesis of 5-Chloro-2-methyl-4-(methylamino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109323657 B, 授权公告日 2023-10-13.
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