Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯O1	0.86	1.93	2.623 (3)	136
N1—H1⋯N4ii	0.86	2.20	3.007 (4)	155
O4—H24⋯O3iii	0.85	1.87	2.712 (3)	174
O4—H23⋯N2iv	0.87	2.03	2.879 (3)	163

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