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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3A⋯O4	0.82	2.00	2.809 (3)	168
N1—H1A⋯O2i	0.86	2.22	2.960 (3)	145
N1—H1B⋯O3ii	0.86	2.43	3.200 (3)	150
N1—H1B⋯O1ii	0.86	2.46	3.170 (4)	141
N2—H1⋯O3iii	0.86	2.07	2.897 (3)	161
O4—H4A⋯N3iv	0.85	2.08	2.760 (3)	136
O4—H4B⋯O1v	0.85	2.20	2.817 (3)	130

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