[EN300-266750-0.05g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 830,500원
[EN300-266750-0.1g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,205,200원
[EN300-266750-0.25g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,688,700원
[EN300-266750-0.5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 2,625,300원
[EN300-266750-1g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 3,348,300원
[EN300-266750-2.5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 6,959,500원
[EN300-266750-5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 13,687,200원
[EN300-266750-10g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 26,648,600원