发明人王建平,杨光,黄志刚. "Method for the Synthesis of 5'-Nitro-2-oxo-2H-[1,2'-bipyridine]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116534536 A, 授权公告日 2023-10-04.
Hughes D C, Williams B T, Anderson J P. "A Process for Preparing High-Purity 5'-Nitro-2-oxo-2H-[1,2'-bipyridine]-3-carboxylic acid" [P]. US Patent, US 10059526 B2, 2017-07-12.
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