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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O1i	0.94 (2)	1.81 (2)	2.7524 (12)	176.6 (19)
O1—H1⋯N2	0.947 (19)	1.718 (19)	2.5863 (12)	150.9 (17)

Symmetry code: (i) .