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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1D⋯O1i	0.86	2.10	2.916 (3)	159
N1—H1E⋯O5	0.86	2.02	2.825 (3)	157
N2—H2D⋯O6ii	0.86	2.12	2.942 (3)	160
N2—H2E⋯O2	0.86	2.08	2.921 (3)	164
N3—H3A⋯O4	0.86	2.24	3.084 (3)	167
N3—H3B⋯O3	0.86	2.11	2.940 (3)	163
N4—H4A⋯O6iii	0.90	2.12	3.011 (3)	168
N4—H4A⋯O5iii	0.90	2.50	3.133 (3)	128
N4—H4B⋯O1iv	0.90	2.60	3.152 (3)	121
N4—H4B⋯O2iv	0.90	2.04	2.914 (3)	163

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