Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯O4i | 0.95 | 2.54 | 3.480 (2) | 172 |
| C12—H12⋯O3ii | 0.95 | 2.37 | 3.281 (3) | 161 |
| C38—H38⋯N2iii | 0.95 | 2.60 | 3.462 (5) | 151 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
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