[EN300-12446595-0.05g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 559,000원
[EN300-12446595-0.1g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 804,545원
[EN300-12446595-0.25g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,125,182원
[EN300-12446595-0.5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 1,737,091원
[EN300-12446595-1g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 2,210,273원
[EN300-12446595-2.5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 4,271,545원
[EN300-12446595-5g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 6,291,091원
[EN300-12446595-10g] tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate 9,300,727원