3-hydroxy-3-(4-nitrophenyl)-1-piperidin-1-ylpropan-1-one

ethyl 2-[2-(piperidine-1-carbonyl)phenyl]sulfanylbenzoate

1-diphenylphosphorylpiperidine

ethyl 2-[[1-(3,6-dihydro-2H-pyridin-1-yl)-1-hydroxyethyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate

2-piperidin-1-yl-N-(2-piperidin-1-ylethyl)ethanamine