1346229-51-3

OGPIVLKPBUTGSD-UHFFFAOYSA-N tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate TERT-BUTYL 4-OXO-1-OXA-9-AZASPIRO[5.5]UNDECANE-9-CARBOXYLATE(WX102670) 4-oxo-1-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid 1,1-dimethylethyl ester 1-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 4-oxo-, 1,1-dimethylethyl ester