[EN300-7494393-0.05g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 680,900원
[EN300-7494393-0.1g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 951,000원
[EN300-7494393-0.25g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 1,303,700원
[EN300-7494393-0.5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 1,976,800원
[EN300-7494393-1g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 2,497,300원
[EN300-7494393-2.5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 4,764,700원
[EN300-7494393-5g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 6,986,200원
[EN300-7494393-10g] tert-butyl 8-oxo-4-azaspiro[2.5]octane-4-carboxylate 10,296,800원