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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O3i	0.89	2.00	2.881 (2)	169
N1—H1B⋯O2ii	0.89	1.97	2.858 (2)	172
N1—H1C⋯O5iii	0.89	2.03	2.909 (2)	169
O3—H3⋯O4iv	0.81	1.85	2.654 (2)	169
O4—H4⋯O1	0.82	1.84	2.655 (2)	173
O5—H5⋯O2v	0.82	1.88	2.691 (2)	168

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