发明人林芳,郑宇鹏,马晓峰. "Method for the Synthesis of Methyl 4-(2-chlorophenoxy)-1-(4-chlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111526395 A, 授权公告日 2018-11-09.
发明人胡光,孙丽萍,郭海燕. "A Process for Preparing High-Purity Methyl 4-(2-chlorophenoxy)-1-(4-chlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109256602 A, 授权公告日 2020-12-17.
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