tert-butyl 5,5-dioxo-4-oxa-5λ-thia-6-azaspiro[2.4]heptane-6-carboxylate

tert-butyl 5,5-dioxo-4-oxa-5λ-thia-6-azaspiro[2.4]heptane-6-carboxylate · CAS 2089649-97-6