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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O1	0.88	1.96	2.834 (2)	173
N2—H2A⋯O15i	0.88	1.88	2.619 (2)	140
N2—H2A⋯O16i	0.88	2.27	2.952 (2)	134
N3—H3A⋯O1	0.88	2.01	2.847 (2)	158
N3—H3A⋯O7	0.88	2.33	2.905 (2)	123
N4—H4A⋯N17ii	0.88	2.18	2.965 (3)	148
N5—H5A⋯O1	0.88	2.28	2.836 (2)	121
N5—H5A⋯O2	0.88	2.09	2.853 (2)	144
N6—H6A⋯O8iii	0.88	1.91	2.693 (2)	147
N6—H6A⋯O14iii	0.88	2.30	2.945 (2)	130

Symmetry codes: (i) ; (ii) ; (iii) .