[EN300-268903-0.05g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 216,545원
[EN300-268903-0.1g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 291,727원
[EN300-268903-0.25g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 390,727원
[EN300-268903-0.5g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 578,818원
[EN300-268903-1g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 727,273원
[EN300-268903-2.5g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 1,228,182원
[EN300-268903-5g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 2,063,818원
[EN300-268903-10g] tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate 3,734,909원