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Cg1 and Cg2 are the centroids of the C2–C7 and C1/C2/C7/C8/O1 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C9—H9A⋯O2i | 0.97 | 2.38 | 3.249 (2) | 149 |
| C13—H13⋯Cg1ii | 0.98 | 2.91 | 3.656 (2) | 134 |
| C15—H15C⋯Cg2ii | 0.96 | 2.96 | 3.837 (2) | 152 |
Symmetry codes: (i) 
; (ii) 
.
