[EN300-3544475-0.05g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 684,364원
[EN300-3544475-0.1g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 963,545원
[EN300-3544475-0.25g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 1,321,909원
[EN300-3544475-0.5g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 2,016,818원
[EN300-3544475-1g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 2,553,545원
[EN300-3544475-2.5g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 4,887,818원
[EN300-3544475-5g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 7,172,818원
[EN300-3544475-10g] tert-butyl 5-oxa-2-azaspiro[3.4]octane-2-carboxylate 10,580,364원