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Figure 6
Sections of the crystal structure of 4a, viewed (a) approximately along the c-axis direction and (b) along the b-axis direction. Dashed lines represent weak hydrogen bonds. Colour scheme: C grey, H white, Br green, N blue and O red. [Symmetry codes: (i) x, y + 1, z; (ii) x, −y + |

journal menu![[Figure 6]](yd3069fig6.jpg)
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