tert-butyl (S)-8-(5-(6-bromonaphthalen-2-yl)-1H-imidazol-2-yl)-1,4-dioxa-7-azaspiro[4.4]nonane-7-carboxylate

(S)-8-(5-(6-bromonaphthalen-2-yl)-1H-imidazol-2-yl)-1,4-dioxa-7-azaspiro[4.4]nonane

(S)-7-(tert-butoxycarbonyl)-1,4-dioxa-7-azaspiro[4.4]nonane-8-carboxylic acid