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In the title compound, C14H13N3O2, the relative stereochemistry of the three stereogenic C atoms has been determined. In the crystal, N—H...O hydrogen bonds link the mol­ecules into chains of inversion dimers running along the b axis.

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In the title compound, C16H23ClN2O, both six-membered rings adopt chair conformations, thus allowing the formation of an intra­molecular N—H...N hydrogen bond. In the crystal, adjacent mol­ecules are combined into chains running along the ac diagonal via O—H...N hydrogen bonds.
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