[EN300-268956-0.05g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 399,300원
[EN300-268956-0.1g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 562,500원
[EN300-268956-0.25g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 774,000원
[EN300-268956-0.5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 1,181,200원
[EN300-268956-1g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 1,494,800원
[EN300-268956-2.5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 2,869,100원
[EN300-268956-5g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 4,210,800원
[EN300-268956-10g] tert-butyl 4-oxo-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate 6,214,600원