英文别名tert-Butyl 2,6-diazaspiro[3.5]nonane-2-carboxylate oxalate(2:1); 2,6-Diazaspiro[3.5]nonane-2-carboxylic acid, 1,1-dimethylethyl ester, ethanedioate (2:1); 2-Boc-2,6-diazaspiro[3.5]nonane hemioxalate; 2,6-Diazaspiro[3.5]nonane-2-carboxylic acid tert-butyl ester hemioxalate 
