[EN300-6481210-0.05g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 553,091원
[EN300-6481210-0.1g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 796,636원
[EN300-6481210-0.25g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 1,109,364원
[EN300-6481210-0.5g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 1,713,364원
[EN300-6481210-1g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 2,178,636원
[EN300-6481210-2.5g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 4,218,000원
[EN300-6481210-5g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 6,208,000원
[EN300-6481210-10g] tert-butyl 7-oxo-4-azaspiro[2.4]heptane-4-carboxylate 9,179,909원