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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯N2	0.82	1.80	2.513 (3)	145
N1—H1⋯O1i	0.90 (1)	2.074 (11)	2.968 (3)	176 (3)

Symmetry code: (i) .