Williams B T, Stevens L M, Mueller T. "一种的合成方法" [P]. US Patent, US 9765862 B2, 2024-09-22.
发明人冯建国,沈红梅,孙丽萍. "Method for the Synthesis of 4-(Butylamino)-6-phenylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116811911 A, 授权公告日 2018-02-14.
发明人马晓峰,郭海燕,赵玉洁. "A Process for Preparing High-Purity 4-(Butylamino)-6-phenylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112148964 A, 授权公告日 2024-03-07.
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