发明人孙丽萍,赵玉洁,沈红梅. "Method for the Synthesis of 2-methyl-2H,6H,7H-pyrazolo[3,4-d]pyridazin-7-one" [P]. 中国发明专利, 专利号 CN 108365526 B, 授权公告日 2025-06-10.
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