发明人刘建华,郭海燕,朱建伟. "Method for the Synthesis of 5,6-Dichloropyridazin-4-ol" [P]. 中国发明专利, 专利号 CN 111185267 A, 授权公告日 2023-04-15.
发明人胡光,杨光,高志强. "A Process for Preparing High-Purity 5,6-Dichloropyridazin-4-ol" [P]. 中国发明专利, 专利号 CN 113280942 A, 授权公告日 2022-02-28.
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