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Cg3 and Cg4 are the centroids of the C11–C16 and C17–C22 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C31—H31A⋯O29i | 0.98 | 2.50 | 3.481 (4) | 174 |
| C10—H10⋯Cg3ii | 0.95 | 2.84 | 3.643 (2) | 146 |
| C8—H8⋯Cg4iii | 0.95 | 2.74 | 3.577 (3) | 147 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
