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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯N3i	0.82	2.24	3.0049 (18)	155
O3—H3⋯O5i	0.82	2.30	2.914 (2)	133
O6—H6⋯O2	0.82	1.87	2.6683 (17)	164
N2—H2⋯O3	0.918 (19)	1.942 (16)	2.6518 (18)	132.7 (17)
N4—H4A⋯O6	0.895 (9)	1.948 (16)	2.6581 (19)	135.0 (18)
N4—H4A⋯O4	0.895 (9)	2.38 (2)	2.877 (2)	114.9 (16)

Symmetry code: (i) .