Four esters, $$\(\mathbf{A}, \mathbf{B}, \boldsymbol{C}\)$$ and $$\(\mathbf{D}\)$$, with the molecular formula $$\(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2}\)$$ are shown in Fig. 7.1. Compound $$\(\mathbf{F}, \mathrm{C}_{6} \mathrm{H}_{8} \mathrm{O}_{3}\)$$, shows stereoisomerism and effervesces with $$\(\mathrm{Na}_{2} \mathrm{CO}_{3}(\mathrm{aq})\)$$.

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