[EN300-268956-0.05g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 363,000원
[EN300-268956-0.1g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 511,364원
[EN300-268956-0.25g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 703,636원
[EN300-268956-0.5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 1,073,818원
[EN300-268956-1g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 1,358,909원
[EN300-268956-2.5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 2,608,273원
[EN300-268956-5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 3,828,000원
[EN300-268956-10g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 5,649,636원