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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O3	0.84	1.74	2.520 (3)	153
N3—H3A⋯O2i	0.92	2.09	2.984 (3)	164
N3—H3B⋯O1B	0.92	1.81	2.714 (3)	166
N3—H3B⋯O2B	0.92	2.52	2.993 (3)	113

Symmetry code: (i) .