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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯N3i	0.889 (10)	2.255 (13)	3.126 (3)	166 (3)
O1—H1⋯N1	0.82	1.93	2.643 (2)	145

Symmetry code: (i) .