[EN300-268930-0.05g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 462,000원
[EN300-268930-0.1g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 656,000원
[EN300-268930-0.25g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 911,364원
[EN300-268930-0.5g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 1,402,364원
[EN300-268930-1g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 1,780,727원
[EN300-268930-2.5g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 3,433,909원
[EN300-268930-5g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 5,053,636원
[EN300-268930-10g] tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate 7,465,182원