英文别名1-oxo-2-benzyl-2,5-Diazaspiro[3.4]octane-5-carboxylic acid 1,1-dimethylethyl ester; 2-Benzyl-1-oxo-2,5-diaza-spiro[3.4]octane-5-carboxylic acid tert-butyl; 2-Benzyl-1-oxo-2,5-diaza-spiro[3.4]octane-5-carboxylic acid tert-butyl ester; 2,5-Diazaspiro[3.4]octane-5-carboxylic acid, 1-oxo-2-(phenylmethyl)-, 1,1-dimethylethyl ester