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| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1⋯O2i | 0.78 (4) | 2.39 (4) | 3.078 (4) | 148 (3) |
| N2—H2A⋯O2ii | 1.00 (3) | 2.08 (3) | 3.062 (4) | 169 (2) |
| N2—H2B⋯O1iii | 0.92 (3) | 2.21 (3) | 3.129 (4) | 173 (2) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
