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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.82	1.86	2.577 (2)	146
N2—H2⋯O2i	0.90 (1)	2.393 (11)	3.281 (2)	168 (2)

Symmetry code: (i) .