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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O3i	0.86 (2)	1.95 (2)	2.770 (3)	162 (3)

Symmetry code: (i) .