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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2o⋯O3	0.84	2.20	2.6726 (14)	116
O3—H3o⋯O1i	0.84	1.74	2.5818 (14)	175
O4—H4o⋯N2i	0.84	2.01	2.7668 (15)	149
N1—H1n⋯O2ii	0.88	2.23	3.0875 (16)	163
N3—H3n⋯O4iii	0.88	2.15	2.9518 (15)	152

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