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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯N2i	0.93	2.50	3.404 (3)	165
C8—H8⋯N2ii	0.98	2.50	3.262 (3)	135

Symmetry codes: (i) ; (ii) .