[EN300-6839661-0.05g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 488,273원
[EN300-6839661-0.1g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 668,545원
[EN300-6839661-0.25g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 904,091원
[EN300-6839661-0.5g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 1,355,545원
[EN300-6839661-1g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 1,704,000원
[EN300-6839661-2.5g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 3,224,636원
[EN300-6839661-5g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 4,709,636원
[EN300-6839661-10g] tert-butyl 3-bromo-1-oxa-2,7-diazaspiro[4.5]dec-2-ene-7-carboxylate 6,927,182원