2-Oxaspiro[3.3]heptan-6-one
2-Oxaspiro[3.5]nonan-7-one
2-Oxaspiro[3.5]nonane-6,8-dione
1-(Oxetan-3-ylidene)propan-2-one
1-(3-(3-Aminooxetan-3-yl)phenyl)ethanone hydrochloride
1-(3-Methyloxetan-3-yl)ethanone
tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate
6-Tosyl-1-oxa-6-azaspiro[3.3]heptan-3-one
1-(4-(Oxetan-3-yl)phenyl)ethanone
tert-Butyl 3-oxo-1-oxa-7-azaspiro[3.5]nonane-7-carboxylate
1-(Oxetan-3-yl)propan-2-one
tert-Butyl 3-oxo-1-oxa-6-azaspiro[3.4]octane-6-carboxylate
Ethyl 3-oxooxetane-2-carboxylate
2-Oxa-5-azaspiro[3.5]nonane-6,8-dione
