From the lists of available starting materials and reagents select the ones you would use to prepare the following compounds using the minimum number of steps. (In no case are more than four steps necessary.) List the letters of the starting materials and reagents in the following order: - First, any alcohol used. - Second, any alkene used. - Third, reagents in the order they are used. Example: agn. C. d. Alkene starting materials H2C=CH2 e. f. 9. h. i. j. \begin{tabular}{|l|l|l|} \hline k. NaH & I. Hg(OCOCF3)2; then NaBH4 m. NaOCH3,CH3OH2 \\ n. BD3,THF; then H2O2,OH & p. \\ q. CH3CH2Br & r. CH3Br \\ \hline \end{tabular}