tert-butyl 1-benzyl-α-phenyl-4-piperidineacetoacetate

1-(1-benzyl-4-piperidyl)-3-(o-nitrophenyl)-2-propanone

1-Benzyl-4-[2,2-(ethylenedioxy)-3-(o-nitrophenyl)propyl]piperidine

Methyl 1-benzyl-α-phenyl-4-piperidinoacetate

ethyl 1-benzyl-α-(phenylacetyl)-4-piperidineacetate