The following four questions require the use of chemical reagents that are found in the following table. Choose the reagent that will best achieve the desired transformation in a selective manner. To input your answer please type the reagent number into the answer box. For example, if you believe the correct answer is PDC / DMF, just type in the letter "7". Note: In some cases, more than one reagent may be able to achieve the desired reaction – however, you should only suggest one answer.
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