 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 1]](lh5858fig1mag.jpg)
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Figure 1
Two views of the diprotonated 2,5-diazabicyclo[2.2.1]heptane parent ring in 1 (in one of the two independent molecules in the asymmetric unit). The atomic numbering scheme is according to IUPAC notation. Displacement ellipsoids are drawn at the 30% probability level. Hydrogen atoms are depicted as fixed-size spheres of arbitrary radius. The bromide counter-ions have been omitted for clarity. |
![[Figure 1]](lh5858fig1.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
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