Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3B⋯N2i	0.78 (2)	2.06 (2)	2.836 (2)	172 (3)
O3—H3A⋯N3ii	0.79 (2)	1.99 (2)	2.768 (2)	169 (3)

Symmetry codes: (i) ; (ii) .