[EN300-1229135-0.05g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 445,000원
[EN300-1229135-0.1g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 632,300원
[EN300-1229135-0.25g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 874,100원
[EN300-1229135-0.5g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 1,340,200원
[EN300-1229135-1g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 1,699,500원
[EN300-1229135-2.5g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 2,906,100원
[EN300-1229135-5g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 4,918,500원
[EN300-1229135-10g] tert-butyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate 8,943,600원