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Figure 2
. The one-dimensional chain structure was built by the C-H
H-bond interactions (dashed lines).
![[Figure 2]](bq2177fig2mag.jpg)
![[pi]](/logos/entities/pi_rmgif.gif)
H-bond interactions (dashed lines). ![[article HTML]](../../../../../graphics/viewarticleborder.gif)
H-bond interactions (dashed lines).
![[Figure 2]](bq2177fig2.jpg)