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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.82	1.91	2.623 (5)	144
N2—H2⋯O2i	0.90 (1)	2.16 (2)	3.016 (5)	159 (5)

Symmetry code: (i) .