જો $R = -CH_2C_6H_5$ તો $(Phe)$ 

એ ફિનાઇલ એલેનીન અને જો $R = CH_3$ તો તે એલેનાઇન $(Ala)$.

આપેલા સંશ્લેષણ $Phe- Ala$ માટે નીચે આપેલા પ્રક્રિયકનો ક્રમ શોધો

$(1)$ $\begin{matrix}
   C{{H}_{3}}  \\
   |\,\,\,\,\,\,  \\
   ZNH\,C\,HC{{O}_{2}}H  \\
\end{matrix}$                             $(2)$ $\begin{matrix}
   C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   {{H}_{2}}N\,C\,HC{{O}_{2}}C{{H}_{2}}{{C}_{6}}{{H}_{5}}  \\
\end{matrix}$

$(3)$ $\begin{matrix}
   \,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}{{C}_{6}}{{H}_{5}}  \\
   |\,\,\,\,\,  \\
   ZNH\,C\,HC{{O}_{2}}H  \\
\end{matrix}$                $(4)$ $\begin{matrix}
   C{{H}_{2}}{{C}_{6}}{{H}_{5}}\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   {{H}_{2}}N\,CHC{{O}_{2}}C{{H}_{2}}{{C}_{6}}{{H}_{5}}  \\
\end{matrix}$

$\begin{array}{|c|c|c|c|}\hline {} &\text { Molisch's Test} & {\text { Barfoed Test}} & {\text { Biuret Test}} \\ \hline \text { A} & { Positive } & {\text { Negative }} & {\text { Negative }} \\ \hline \text { B } & {\text { Positive }} & {\text { Positive }} & {\text { Negative }} \\ \hline \text { C } & {\text { Negative }} & {\text { Negative }} & {\text { Positive }} \\ \hline\end{array}$

$A, B$ અને $C$ અનુક્રમે