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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O5	0.82	1.88	2.685 (7)	169
O4—H4⋯O2	0.82	1.88	2.689 (7)	170