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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O2	0.84	2.02	2.638 (2)	130
O6—H6⋯O5	0.84	1.91	2.548 (2)	132