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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1o⋯N2	0.84 (1)	1.86 (1)	2.628 (1)	153 (2)
N3—H3n⋯O3i	0.88 (1)	2.13 (1)	2.978 (1)	163 (2)

Symmetry code: (i) .