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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2	0.82	1.96	2.6689 (19)	144
N2—H2⋯O2i	0.90 (1)	2.13 (1)	2.9905 (19)	161 (2)
C7—H7⋯O2i	0.93	2.45	3.264 (2)	146

Symmetry code: (i) .