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2-Acetyl-2-azaspiro[4.4]nonane-7-carboxylic acid

2-Azaspiro[4.4]nonane-7-carboxylic acid

2-Methyl-2-azaspiro[4.4]nonane-7-carboxylic acid

2-Ethyl-2-azaspiro[4.4]nonane-7-carboxylic acid

2-Isopropyl-2-azaspiro[4.4]nonane-7-carboxylic acid

2-Cyclopropyl-2-azaspiro[4.4]nonane-7-carboxylic acid

2-(Carboxymethyl)-2-azaspiro[4.4]nonane-7-carboxylic acid

2-(2-Hydroxyethyl)-2-azaspiro[4.4]nonane-7-carboxylic acid

2-(2-Aminoethyl)-2-azaspiro[4.4]nonane-7-carboxylic acid

2-(2-Chloroacetyl)-2-azaspiro[4.4]nonane-7-carboxylic acid