Johnson M A, Stevens L M, Park J H. "一种4-氯吡啶并[2,3-d]哒嗪-5-(6H)-酮的合成方法" [P]. US Patent, US 9981766 B2, 2021-01-03.
发明人冯建国,杨光,郑宇鹏. "Method for the Synthesis of 4-Chloropyrido[2,3-d]pyridazin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 111715867 B, 授权公告日 2022-01-25.
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