3-anilino-2,2-dimethyl-3-oxo-propanoic acid phenylmethyl ester

3-anilino-2,2-dimethyl-3-oxo-propanoic acid methyl ester

4,4-二甲基-5-亚甲基-1,3-二氧戊环-2-酮

(1,1-dimethyl-2-oxopropyl)(1',1'-dimethyl-2'-propynyl)carbonate

3-羟基-3-甲基-2-丁酮