Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯O3 | 0.93 | 2.18 | 3.009 (4) | 148 |
| N3—H3A⋯N1i | 0.86 | 2.05 | 2.906 (4) | 176 |
| N3—H3B⋯O4 | 0.86 | 2.05 | 2.853 (4) | 156 |
| C15—H15A⋯O4 | 0.96 | 2.36 | 2.768 (5) | 105 |
Symmetry code: (i) 
.
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