英文同义名:
1-Benzyl-1,7-diaza-spiro[4.4]nonane-7-carboxylic acid tert-butyl ester; 1,7-Diazaspiro[4.4]nonane-7-carboxylic acid, 1-(phenylMethyl)-, 1,1-diMethylethyl ester; 2-Methyl-2-propanyl 1-benzyl-1,7-diazaspiro[4.4]nonane-7-carboxyl ate; tert-butyl 1-benzyl-1,7-diazaspiro[4.4]nonane-7-carboxylate;