[EN300-1668513-0.05g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 565,000원
[EN300-1668513-0.1g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 812,364원
[EN300-1668513-0.25g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,135,182원
[EN300-1668513-0.5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,753,000원
[EN300-1668513-1g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 2,230,091원
[EN300-1668513-2.5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 3,829,909원
[EN300-1668513-5g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 6,493,091원
[EN300-1668513-10g] tert-butyl 7-oxo-2-azaspiro[4.4]nonane-2-carboxylate 10,623,364원