2,6-二氮杂螺[4.5]癸烷-6-羧酸,3-氧代-1,1-二甲基乙基酯;

2,6-Diazaspiro[4.5]decane-6-carboxylic acid, 3-oxo-, 1,1-diMethylethyl ester; tert-butyl 3-oxo-2,6-diazaspiro[4.5]decane-6-carboxylate;