Figure 2 A view of the molecular structure of the title compound, with the atom numbering. The displacement ellipsoids are drawn at the 50% probability level. Symmetry codes: (1) -y, x - y, z (2) -x + y, -y, z (3) -x, -y, -z (4) x - y, x, -z (5) y, x + y, -z.  [article HTML]