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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O2i	0.89	1.87	2.748 (8)	167
N1—H1B⋯O5ii	0.89	2.04	2.857 (8)	153
N1—H1C⋯O6	0.89	1.86	2.734 (8)	166
N2—H2A⋯O9iii	0.89	1.97	2.801 (9)	154
N2—H2B⋯O2iii	0.89	1.93	2.795 (9)	163
N2—H2B⋯O3iii	0.89	2.57	3.000 (9)	110
N2—H2C⋯O5iv	0.89	1.90	2.747 (9)	159
O9—H9⋯O1v	0.82	1.89	2.695 (8)	168

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