[EN300-1588221-0.05g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 599,700원
[EN300-1588221-0.1g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 863,200원
[EN300-1588221-0.25g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 1,207,300원
[EN300-1588221-0.5g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 1,860,700원
[EN300-1588221-1g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 2,368,200원
[EN300-1588221-2.5g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 4,576,700원
[EN300-1588221-5g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 6,741,700원
[EN300-1588221-10g] tert-butyl 5-oxa-2,8-diazaspiro[3.4]octane-2-carboxylate 9,965,100원