[EN300-12446595-0.05g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 614,900원
[EN300-12446595-0.1g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 885,000원
[EN300-12446595-0.25g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,237,700원
[EN300-12446595-0.5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,910,800원
[EN300-12446595-1g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 2,431,300원
[EN300-12446595-2.5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 4,698,700원
[EN300-12446595-5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 6,920,200원
[EN300-12446595-10g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 10,230,800원