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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H1⋯O5	0.78 (3)	2.20 (3)	2.798 (2)	134 (3)
N1—H6⋯O2i	0.91 (3)	1.83 (3)	2.673 (2)	154 (3)

Symmetry code: (i) .