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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯N2i	0.88 (1)	2.15 (1)	3.023 (2)	171 (2)

Symmetry code: (i) .