Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1n⋯N3ii	0.88 (3)	2.06 (2)	2.876 (3)	155 (3)

Symmetry code: (ii) .