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Figure 4
The contacts within the R,R-ribbons of (I) . Classical hydrogen bonds are shown with thick and nonclassical hydrogen bonds are shown with thin dashed lines. (Symmetry codes are as in Table 1.) |
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Figure 4
The contacts within the R,R-ribbons of (I) . Classical hydrogen bonds are shown with thick and nonclassical hydrogen bonds are shown with thin dashed lines. (Symmetry codes are as in Table 1.) |