[EN300-6977821-0.05g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 514,700원
[EN300-6977821-0.1g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 734,700원
[EN300-6977821-0.25g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 1,017,800원
[EN300-6977821-0.5g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 1,566,700원
[EN300-6977821-1g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 1,989,200원
[EN300-6977821-2.5g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 3,415,700원
[EN300-6977821-5g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 5,792,100원
[EN300-6977821-10g] tert-butyl 2-oxa-5,8-diazaspiro[3.5]nonane-8-carboxylate 9,594,900원