[EN300-152389-0.05g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 599,700원
[EN300-152389-0.1g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 863,200원
[EN300-152389-0.25g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,207,300원
[EN300-152389-0.5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,860,700원
[EN300-152389-1g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 2,368,200원
[EN300-152389-2.5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 4,576,700원
[EN300-152389-5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 6,741,700원
[EN300-152389-10g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate 9,965,100원