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发明人马晓峰,刘建华,朱建伟. "Method for the Synthesis of 7-Methyl-3-phenyl-1H-pyrazolo[3,4-d]pyridazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 113085925 A, 授权公告日 2015-08-02.
发明人郭海燕,钱学锋,马晓峰. "A Process for Preparing High-Purity 7-Methyl-3-phenyl-1H-pyrazolo[3,4-d]pyridazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 113022999 B, 授权公告日 2018-08-02.
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