英文别名6-Oxa-5-thia-4-azaspiro[2.4]heptane-4-carboxylic acid, 1,1-dimethylethyl ester, 5,5-dioxide; tert-butyl 5,5-dioxo-6-oxa-5λ⁶-thia-4-azaspiro[2.4]heptane-4-carboxylate; 2-Methyl-2-propanyl 6-oxa-5-thia-4-azaspiro[2.4]heptane-4-carboxylate 5,5-dioxide