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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O2i	0.90 (1)	2.00 (2)	2.833 (3)	154 (3)
C9—H9⋯N1	0.93	2.30	2.930 (5)	125

Symmetry code: (i) .