[EN300-383795-0.05g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 507,545원
[EN300-383795-0.1g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 727,273원
[EN300-383795-0.25g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 1,012,364원
[EN300-383795-0.5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 1,560,818원
[EN300-383795-1g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 1,982,636원
[EN300-383795-2.5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 3,828,000원
[EN300-383795-5g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 5,635,727원
[EN300-383795-10g] tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate 8,328,545원