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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H⋯N1	0.86	2.31	2.692 (3)	107
C8—H8B⋯O1i	0.97	2.39	3.239 (3)	145

Symmetry code: (i) .