[EN300-1668513-0.05g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 621,500원
[EN300-1668513-0.1g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 893,600원
[EN300-1668513-0.25g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,248,700원
[EN300-1668513-0.5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,928,300원
[EN300-1668513-1g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 2,453,100원
[EN300-1668513-2.5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 4,212,900원
[EN300-1668513-5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 7,142,400원
[EN300-1668513-10g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 11,685,700원