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Cg1 and Cg2 are the centroids of the N1/C1/C2/C7–C9 and C10–C15 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C15—H15A⋯N1i | 0.93 | 2.57 | 3.493 (2) | 173 |
| C17—H17A⋯Cg1 | 0.97 | 2.86 | 3.6307 (19) | 137 |
| C31—H31B⋯Cg2ii | 0.96 | 2.86 | 3.584 (2) | 133 |
Symmetry codes: (i) 
; (ii) 
.
