1-phenylmethyl 2-methyl 6-(tert-butyldiphenylsilyloxymethyl)-3-methylpiperidine-1,2-dicarboxylate

phenylmethyl 2-(tert-butyldiphenylsilyloxymethyl)-6-trifluoromethanesulfonyloxy-3,4-dihydro-2H-pyridine-1-carboxylate