phenylmethyl 6-(tert-butyldiphenylsilyloxymethyl)-2-(2-ethoxycarbonylvinyl)-3-methylpiperidine-1-carboxylate

(5R,8R,8aS)-(-)-5-(7-hept-3-enyl)-8-methylindolizidine

(-)-(5S,8R,8aS)-5-(2-hydroxyethyl)-8-methylindolizidine

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