[EN300-37432363-0.05g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 460,000원
[EN300-37432363-0.1g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 656,000원
[EN300-37432363-0.25g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 913,364원
[EN300-37432363-0.5g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 1,404,545원
[EN300-37432363-1g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 1,784,636원
[EN300-37432363-2.5g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 3,439,909원
[EN300-37432363-5g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 5,059,636원
[EN300-37432363-10g] tert-butyl 5-oxo-6-oxa-2-azaspiro[3.4]octane-2-carboxylate 7,477,091원