Synonyms: 2-Boc-2,5-diazaspiro[3.4]...;2-Boc-2,5-diazaspiro[3.4]octane;2,5-Diazaspiro[3.4]octane-2-carboxylic acid, 1,1-diMethylethyl ester;tert-Butyl 2,5-diazaspiro[3.4]octane-2-carboxylate;2,5-Diazaspiro[3.4]octane-2-carboxylic acid tert-butyl ester;tert-Butyl 2,5-diazaspiro[3.4]octane-2-carboxylate, hemioxalate salt