Solvent X, which is used in printing inks, has the molecular formula $\text{C}_6\text{H}_{10}\text{O}_4$. It can be produced by reacting ethane-1,2-diol with ethanoic acid in the presence of an acid catalyst. The structure of ethane-1,2-diol is shown. Which structure shows solvent X?
Chemistry 9701 · AS & A Level · Carboxylic acids and derivatives