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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1	1.00	1.98	2.983 (3)	175
N3—H3⋯O1i	1.00	2.16	3.025 (3)	144

Symmetry code: (i) .