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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.86	1.98	2.810 (2)	164
N2—H2⋯O2ii	0.86	2.00	2.836 (2)	163
N3—H3A⋯O5ii	0.86	1.95	2.803 (2)	172
N3—H3B⋯O4i	0.86	1.98	2.843 (2)	178
N4—H4⋯O2iii	0.86	2.27	3.115 (2)	170
O4—H4A⋯O1	0.85	1.90	2.717 (2)	159
O4—H4B⋯O3iv	0.85	1.96	2.812 (2)	176
O5—H5A⋯O2	0.85	1.95	2.716 (2)	150
O5—H5B⋯O3iii	0.85	1.97	2.814 (2)	174

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