发明人张德明,高志强,朱建伟. "Method for the Synthesis of 4-Chloro-2-(3,3-dimethyl-2-oxobutyl)-5-morpholinopyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109429639 B, 授权公告日 2021-05-14.
发明人郑宇鹏,韩伟,赵玉洁. "A Process for Preparing High-Purity 4-Chloro-2-(3,3-dimethyl-2-oxobutyl)-5-morpholinopyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 117041900 A, 授权公告日 2020-08-03.
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