Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C16—H16A⋯O2i | 0.93 | 2.49 | 3.400 (5) | 168 |
| N2—H2A⋯O1ii | 0.86 | 1.99 | 2.835 (5) | 167 |
Symmetry codes: (i) 
; (ii) 
.
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