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Cg is the centroid of the C1–C6 ring.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C9—H9B⋯Cl1i | 0.97 | 2.49 | 3.370 (3) | 150 |
| C7—H7B⋯C1ii | 0.97 | 2.67 | 3.588 (4) | 159 |
| C11—H11A⋯Cgiii | 0.97 | 2.93 | 3.829 (3) | 154 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
