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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N7—H7N⋯N16i	0.90	2.25	3.1423 (13)	175
N14—H14N⋯N2ii	0.90	2.12	3.0141 (14)	175

Symmetry codes: (i) ; (ii) .