2,2-dimethyl-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]dioxole 5,5-dioxide

2,2-dimethyl-1,3-dioxane-4-carbaldehyde

2-(2,2-dimethyl-1,3-dioxolan-4-yl)acetaldehyde

(5R)-5-methoxy-5-phenylhexane-2,4-dione

(5S)-5-methoxy-5-phenylhexane-2,4-dione