Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C20—H20⋯N2i | 0.93 | 2.48 | 3.354 (7) | 157 |
Symmetry code: (i) 
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