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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O5i	0.93 (3)	1.72 (3)	2.650 (2)	177 (3)
O5—H5A⋯O2	0.91 (4)	2.00 (4)	2.887 (3)	166 (3)
O5—H5B⋯O4ii	0.87 (3)	2.03 (3)	2.875 (2)	162 (3)
C17—H17⋯O2iii	0.95 (2)	2.54 (2)	3.422 (3)	154.7 (16)

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