In the reaction $\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{C{H_2}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}} \\
{CHOH\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_2}OH}
\end{array}$ $+$ $\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{COOH}
\end{array}$ $\xrightarrow{{110\,{\,^o}C}}\,(A)$ product $(A)$ will be
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