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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2	0.82	1.83	2.563 (2)	148
O4—H4⋯O5	0.82	1.88	2.604 (2)	147