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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯N1	0.84 (3)	1.88 (2)	2.6243 (18)	147 (2)
N2—H2A⋯O5	0.851 (19)	1.923 (19)	2.5981 (18)	135.4 (17)
O3—H2B⋯O4i	0.86 (2)	1.79 (2)	2.6452 (17)	175 (2)
O2—H3A⋯O1ii	0.93 (3)	1.92 (3)	2.8513 (18)	172 (3)

Symmetry codes: (i) ; (ii) .