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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N7—H7⋯O9i	0.89 (5)	1.98 (5)	2.846 (5)	163 (5)

Symmetry code: (i) .