(-)-(8R,8aS)-5-(2-benzyloxyethyl)-8-methyl-6-(p-toluenesulfonyl)-Δ5,6-indolizidine

(-)-(8R,8aS)-5-(3-benzyloxypropyl)-8-methyl-6-(p-toluenesulfonyl)-Δ5,6-indolizidine