Synonyms:
tert-butyl 9-benzyl-3,9-diazaspiro[5.5]undecane-3-carboxylate ; tert-butyl 9-benzyl-3 ; 9-diazaspiro[5.5]undecane-3-carboxylate ; 3,9-diazaspiro[5.5]undecane-3-carboxylic acid, 9-(phenylmethyl)-, 1,1-dimethylethyl ester ; 9-benzyl-3,9-diaza-spiro[5.5]undecane-3-carboxylic acid tert-butyl ester