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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯N4iii	0.86	2.17	2.975 (4)	157
N3—H3⋯O4iv	0.86	2.03	2.815 (4)	151

Symmetry codes: (iii) ; (iv) .