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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2ii	0.86	2.04	2.898 (3)	178
N1—H1⋯O1ii	0.86	2.60	3.160 (4)	124
N2—H2⋯N2iii	0.86	1.81	2.669 (5)	174
O5—H5A⋯O4iv	0.85	2.14	2.970 (4)	164
O5—H5B⋯O2v	0.85	2.14	2.985 (4)	173

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