[EN300-268916-0.05g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 230,273원
[EN300-268916-0.1g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 313,364원
[EN300-268916-0.25g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 424,273원
[EN300-268916-0.5g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 632,273원
[EN300-268916-1g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 794,636원
[EN300-268916-2.5g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 1,489,636원
[EN300-268916-5g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 2,651,909원
[EN300-268916-10g] tert-butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 4,093,273원