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1-[4-(2-Hydroxy-ethylamino)-piperidin-1-yl]-ethanone

1-{2-[(2-Hydroxy-ethylamino)-methyl]-piperidin-1-yl}-ethanone

1-{3-[(2-Hydroxy-ethylamino)-methyl]-piperidin-1-yl}-ethanone

1-{4-[(2-Hydroxy-ethylamino)-methyl]-piperidin-1-yl}-ethanone

1-{(R)-3-[(2-hydroxy-ethyl)-methyl-amino]-piperidin-1-yl}-ethanone

1-{(S)-3-[(2-hydroxy-ethyl)-methyl-amino]-piperidin-1-yl}-ethanone

1-{4-[(2-Hydroxy-ethyl)-methyl-amino]-piperidin-1-yl}-ethanone

1-(2-{[(2-Hydroxy-ethyl)-methyl-amino]-methyl}-piperidin-1-yl)-ethanone

1-(3-{[(2-Hydroxy-ethyl)-methyl-amino]-methyl}-piperidin-1-yl)-ethanone

1-(4-{[(2-Hydroxy-ethyl)-methyl-amino]-methyl}-piperidin-1-yl)-ethanone