disable zoom
Figure 1
The structure unit of the title compound, showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. Symmetry codes: (i) -
x
, 2-
y
, 1-
z
; (ii) 1-
x
, 2-
y
, 1-
z
); (iii) -
x
, 2-
y
, -
z
.