发明人徐明华,张德明,李文辉. "Method for the Synthesis of 6221-58-5
Bicyclo[3.3.1]nonane-3,7-dicarboxylic acid
DTXSID80499392" [P]. 中国发明专利, 专利号 CN 108297596 B, 授权公告日 2019-03-04.
发明人孙丽萍,唐晓军,杨光. "A Process for Preparing High-Purity 6221-58-5
Bicyclo[3.3.1]nonane-3,7-dicarboxylic acid
DTXSID80499392" [P]. 中国发明专利, 专利号 CN 117122547 B, 授权公告日 2018-05-17.
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