发明人胡光,唐晓军,陈志强. "Method for the Synthesis of 2'-(2-Methoxyethyl)-1'-oxo-1',4'-dihydro-2'h-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109987534 A, 授权公告日 2022-08-01.
Mueller T C, Kowalski A, Nowak P. "A Process for Preparing High-Purity 2'-(2-Methoxyethyl)-1'-oxo-1',4'-dihydro-2'h-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxylic acid" [P]. European Patent, EP 3435567 A1, 2022-11-28.
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