[EN300-243671-0.05g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 209,800원
[EN300-243671-0.1g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 281,700원
[EN300-243671-0.25g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 375,300원
[EN300-243671-0.5g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 551,800원
[EN300-243671-1g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 688,900원
[EN300-243671-2.5g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 1,166,000원
[EN300-243671-5g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 1,958,800원
[EN300-243671-10g] tert-butyl 4-oxo-1-azaspiro[4.4]nonane-1-carboxylate 3,548,700원