[EN300-7494393-0.05g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 619,000원
[EN300-7494393-0.1g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 864,545원
[EN300-7494393-0.25g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 1,185,182원
[EN300-7494393-0.5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 1,797,091원
[EN300-7494393-1g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 2,270,273원
[EN300-7494393-2.5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 4,331,545원
[EN300-7494393-5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 6,351,091원
[EN300-7494393-10g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 9,360,727원