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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1i	0.90 (1)	1.98 (1)	2.854 (2)	164 (2)
C7—H7⋯O1i	0.93	2.51	3.254 (2)	137 (2)

Symmetry code: (i) .