[EN300-263698-0.05g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 284,364원
[EN300-263698-0.1g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 363,636원
[EN300-263698-0.25g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 466,636원
[EN300-263698-0.5g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 668,545원
[EN300-263698-1g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 823,000원
[EN300-263698-2.5g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 1,733,818원
[EN300-263698-5g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 3,252,364원
[EN300-263698-10g] tert-butyl 7-oxo-4-azaspiro[2.5]octane-4-carboxylate 5,337,364원