发明人郭海燕,郑宇鹏,徐明华. "Method for the Synthesis of 2-Methyl-6,7-dihydro-2H-cyclopenta[c]pyridazin-3(5H)-one" [P]. 中国发明专利, 专利号 CN 110668996 B, 授权公告日 2020-05-18.
发明人韩伟,徐明华,唐晓军. "A Process for Preparing High-Purity 2-Methyl-6,7-dihydro-2H-cyclopenta[c]pyridazin-3(5H)-one" [P]. 中国发明专利, 专利号 CN 117889738 A, 授权公告日 2017-01-16.
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