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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯N1	0.89 (2)	1.81 (2)	2.6228 (18)	150 (2)
C5—H5⋯O2i	0.93	2.61	3.293 (2)	130

Symmetry code: (i) .