(1S*,4aS*,8aR*)-7-benzyl-4a,5,6,,7,8,8a-hexahydro-1-methyl-1H-pyrano<3,4-c>pyridine

Methyl (1S,4aS,8aR)-4a,5,6,7,8,8a-hexahydro-1-methyl-1H-pyrano(3,4-c)pyridine-4-carboxylate

(4R*)-N-benzyl-3(E)-ethylideno-4-(2-oxo-ethyl)piperidine-2-one