Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4—H4⋯O19A i	1.07 (3)	2.46 (2)	3.064 (8)	114 (1)
C5—H5⋯O13	1.01 (3)	2.58 (3)	3.403 (3)	139 (1)
C12—H12⋯O2ii	0.98	2.35	3.282 (5)	158
C16—H16B⋯O2iii	0.96	2.54	3.419 (4)	153

Symmetry codes: (i) ; (ii) ; (iii) .