发明人何建平,郭海燕,李文辉. "Method for the Synthesis of 4-Chloro-6-methoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 114106083 B, 授权公告日 2017-01-27.
发明人胡光,郭海燕,朱建伟. "A Process for Preparing High-Purity 4-Chloro-6-methoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 110535099 B, 授权公告日 2016-03-23.
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