[EN300-266750-0.05g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 755,000원
[EN300-266750-0.1g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,095,636원
[EN300-266750-0.25g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 1,535,182원
[EN300-266750-0.5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 2,386,636원
[EN300-266750-1g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 3,043,909원
[EN300-266750-2.5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 6,326,818원
[EN300-266750-5g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 12,442,909원
[EN300-266750-10g] tert-butyl 6-oxo-2-azaspiro[4.4]nonane-2-carboxylate 24,226,000원