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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O2i	0.90 (3)	1.99 (2)	2.860 (4)	162 (4)
O1—H1⋯N1	0.82	1.85	2.574 (4)	146

Symmetry code: (i) .