3,3-二甲基-1-苯氧基-2-丁酮

1-hydroxy-4,4-dimethylpent-1-en-3-one

4,4-dimethyl-1-pyridin-3-ylpentane-1,3-dione

2,2,4,4,5,5-hexamethylhexan-3-one

ethyl 3,3-dimethyl-2-oxobutanoate