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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N4—H4⋯N3i	0.91	2.17	3.034 (3)	160
C9—H9A⋯O2ii	0.93	2.50	3.428 (3)	173

Symmetry codes: (i) ; (ii) .