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| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1A⋯N2 | 0.86 (2) | 2.23 (2) | 3.065 (3) | 167 (4) |
| O1—H1B⋯N2i | 0.85 (2) | 2.18 (2) | 3.035 (3) | 177 (4) |
| O2—H2A⋯N4 | 0.81 (2) | 2.16 (2) | 2.973 (3) | 178 (3) |
| O2—H2B⋯N4ii | 0.82 (2) | 2.22 (2) | 3.039 (3) | 173 (3) |
Symmetry codes: (i) 
; (ii) 
.
