Figure 1 Molecular structure of the title compound with displacement ellipsoids drawn at 50% probability level. Symmetry codes: (a) 1-y, 2+x-y, z; (b) -1-x+y, 1-x, z; (c) -x, 2-y, -z; (d) -1+y, -x+y, -z; (e) 1+x-y, 1+x, -z.  [article HTML]