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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1o⋯O2i	0.83 (1)	1.76 (1)	2.591 (2)	175 (3)
O3—H3o⋯N2	0.84 (1)	1.88 (2)	2.632 (3)	149 (3)
N1—H1n⋯O1	0.87 (1)	1.90 (2)	2.614 (3)	139 (2)

Symmetry code: (i) .