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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1i	0.90 (1)	2.08 (2)	2.900 (3)	152 (3)
C7—H7⋯O1i	0.93	2.35	3.155 (3)	145

Symmetry code: (i) .