发明人何建平,杨光,王建平. "Method for the Synthesis of 4-Amino-8-methylcinnoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114774442 A, 授权公告日 2015-09-24.
发明人罗永刚,陈志强,孙丽萍. "A Process for Preparing High-Purity 4-Amino-8-methylcinnoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109106665 A, 授权公告日 2022-01-05.
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