[EN300-253659-0.05g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 211,091원
[EN300-253659-0.1g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 256,727원
[EN300-253659-0.25g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 316,091원
[EN300-253659-0.5g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 427,000원
[EN300-253659-1g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 514,091원
[EN300-253659-2.5g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 878,364원
[EN300-253659-5g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 1,486,182원
[EN300-253659-10g] tert-butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate 2,496,000원