Figure 1
The principal building units in the structure of the title compound. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) x, −y + 1, z − ; (ii) −x + 1, −y + 1, −z + 2; (iii) −x + 1, y, −z + ; (iv) x, −y, z − ; (v) x + , −y + , z − ; (vi) −x + , y − , −z + ; (vii) x + , y − , z; (viii) −x + , −y + , −z + 1; (ix) −x + 1, y, −z + ; (x) x, y, z − 1.] |