发明人冯建国,何建平,杨光. "Method for the Synthesis of 4-Bromo-2-cyclopentyl-5-methoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111290057 B, 授权公告日 2023-04-19.
发明人罗永刚,周伟,张德明. "A Process for Preparing High-Purity 4-Bromo-2-cyclopentyl-5-methoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 113172851 B, 授权公告日 2020-02-05.
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