3,5-Dibromo-4-oxo-2,2,6,6-tetra-methyl-piperidin-1-yl oxide.

In the title compound, C9H14Br2NO2, the substituted ring exhibits a chair conformation. A crystallographic mirror plane, passing through the N atom, the O atoms and the C atom in the 4-position, bis­ects the mol­ecule.