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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4⋯O5i	0.82	2.07	2.852 (3)	160
O5—H5⋯O2ii	0.82	1.94	2.758 (4)	175
C4—H4B⋯O4iii	0.97	2.50	3.274 (5)	137
C8A—H13⋯O3iv	0.98	2.59	3.535 (4)	161
C12—H18⋯O2ii	0.93	2.55	3.251 (4)	132

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