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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯N6i	0.86	2.30	3.0674 (15)	148
N7—H7⋯N2i	0.86	2.24	3.0689 (15)	161

Symmetry code: (i) .