Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C11—H11B⋯O1i | 0.97 | 2.58 | 3.466 (3) | 152 |
| C3—H3⋯O1ii | 0.93 | 2.59 | 3.282 (2) | 132 |
| C5—H5⋯N1i | 0.93 | 2.54 | 3.445 (2) | 163 |
Symmetry codes: (i) 
; (ii) 
.
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