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| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯O21 | 0.891 (15) | 1.935 (15) | 2.6318 (11) | 133.8 (13) |
| N5—H5⋯O41 | 0.900 (17) | 1.967 (16) | 2.6358 (11) | 129.8 (14) |
| N5—H5⋯O41i | 0.900 (17) | 2.800 (17) | 3.5877 (11) | 146.8 (13) |
Symmetry code: (i) 
.
