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Cg1 and Cg2 are the centroids of the N3/C13–C16 and C6–C11 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C10—H10⋯N1i | 0.95 | 2.42 | 3.203 (5) | 140 |
| C11—H11⋯Cg1ii | 0.95 | 2.77 | 3.332 (3) | 119 |
| C19—H19⋯Cg2iii | 0.95 | 2.68 | 3.619 (3) | 170 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
