[EN300-1073485-0.05g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 292,273원
[EN300-1073485-0.1g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 377,364원
[EN300-1073485-0.25g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 488,273원
[EN300-1073485-0.5g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 698,182원
[EN300-1073485-1g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 862,636원
[EN300-1073485-2.5g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 1,446,636원
[EN300-1073485-5g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 2,416,818원
[EN300-1073485-10g] tert-butyl 8-oxo-5-azaspiro[2.5]octane-5-carboxylate 4,361,182원