(4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-iodo-3-methylcyclopent-2-en-1-one

(+)-(3As,6as)-3a,6a-二氢-2,2-二甲基-4H-环戊并-1,3-二氧代-4-酮

(3aS,6aS)-5-iodo-2,2,-dimethyl-3a,6a-dihydrocyclopenta[1,3]dioxol-4-one

3-甲酰基-2-丁烯酸乙酯