发明人马晓峰,沈红梅,冯建国. "Method for the Synthesis of 1-(4-Fluorophenyl)-4-methyl-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one" [P]. 中国发明专利, 专利号 CN 112707049 B, 授权公告日 2015-02-06.
Jørgensen K, Rossi M, Mueller T C. "A Process for Preparing High-Purity 1-(4-Fluorophenyl)-4-methyl-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one" [P]. European Patent, EP 3451184 A1, 2020-11-10.
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