[EN300-2010459-0.05g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 394,727원
[EN300-2010459-0.1g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 559,000원
[EN300-2010459-0.25g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 770,909원
[EN300-2010459-0.5g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 1,180,727원
[EN300-2010459-1g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 1,497,545원
[EN300-2010459-2.5g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 2,685,545원
[EN300-2010459-5g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 4,669,364원
[EN300-2010459-10g] tert-butyl 5-oxo-2-azaspiro[3.4]octane-2-carboxylate 7,261,273원