发明人徐明华,朱建伟,郑宇鹏. "Method for the Synthesis of 4-Amino-pyridazine-3-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 110355927 A, 授权公告日 2022-08-15.
发明人钱学锋,陈志强,孙丽萍. "A Process for Preparing High-Purity 4-Amino-pyridazine-3-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 112580957 B, 授权公告日 2018-09-14.
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