[EN300-22805901-0.05g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 330,200원
[EN300-22805901-0.1g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 426,100원
[EN300-22805901-0.25g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 552,400원
[EN300-22805901-0.5g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 794,100원
[EN300-22805901-1g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 983,600원
[EN300-22805901-2.5g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 1,611,000원
[EN300-22805901-5g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 2,656,400원
[EN300-22805901-10g] tert-butyl 5,5-dioxo-6-oxa-5lambda6-thia-4-azaspiro[2.4]heptane-4-carboxylate + 4,749,400원