发明人高志强,沈红梅,黄志刚. "Method for the Synthesis of Methyl 2-(4,5-dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoate" [P]. 中国发明专利, 专利号 CN 110356947 A, 授权公告日 2021-09-09.
发明人钱学锋,高志强,郭海燕. "A Process for Preparing High-Purity Methyl 2-(4,5-dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoate" [P]. 中国发明专利, 专利号 CN 109182581 B, 授权公告日 2022-09-27.
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