tert-Butyl 2-formyl-6-azaspiro[3.4]octane-6-carboxylate
8,8-Difluoro-6-azaspiro[3.4]octane hydrochloride
tert-Butyl 2-amino-6-azaspiro[3.4]octane-6-carboxylate
tert-Butyl 2-hydroxy-6-azaspiro[3.4]octane-6-carboxylate
