7-Azaspiro[3.5]nonane-7-carboxylic acid, 2-hydroxy-, phenylmethyl ester
Phenylmethyl 2-hydroxy-7-azaspiro[3.5]nonane-7-carboxylate
7-Benzyloxycarbonyl-7-azaspiro[3.5]nonan-2-ol
Benzyl 2-hydroxy-7-azaspiro[3.5]nonane-7-carboxylate
2-Hydroxy-7-Azaspiro[3.5]nonane-7-carboxylic acid phenylmethyl ester