Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N3—H3B⋯N1i | 0.88 (6) | 2.60 (7) | 3.398 (7) | 150 (8) |
| N3—H3A⋯N1ii | 0.88 (6) | 2.13 (6) | 2.997 (7) | 171 (7) |
| N3—H3B⋯N2i | 0.88 (6) | 2.14 (6) | 2.992 (7) | 163 (6) |
Symmetry codes: (i) 
; (ii) 
.
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