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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O5i	0.86	2.09	2.903 (2)	157
N4—H4A⋯O5	0.86	2.10	2.9015 (19)	154
O5—H5B⋯N1ii	0.88 (1)	2.01 (2)	2.869 (2)	167 (2)
O5—H5C⋯N3	0.88 (1)	1.91 (2)	2.7849 (19)	173 (2)

Symmetry codes: (i) ; (ii) .