N-phenoxycarbonyl-6-{2-[(3-hydroxy)-2-pyridinyl]ethyl}-1,2,3,4-tetrahydropyridine

N-phenoxycarbonyl-6-(2-{[3-(trifluoromethylsulfonyl)oxy]-2-pyridinyl}-ethyl)-1,2,3,4-tetrahydropyridine

acetic acid 2-bromopyridin-3-yl ester

3-acetoxy-2-ethynylpyridine

N-phenoxycarbonyl-6-{2-[(3-acetoxy)-2-pyridinyl]ethyl}-1,2,3,4-tetrahydropyridine