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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2W—H4W⋯N1i	0.87 (3)	2.04 (3)	2.884 (2)	162 (3)
O2W—H3W⋯O1	0.86 (3)	2.11 (3)	2.885 (2)	150 (3)
O1W—H2W⋯O2Wii	0.89 (3)	1.93 (3)	2.824 (2)	175 (3)
O1W—H1W⋯N5	0.81 (3)	2.24 (3)	2.982 (2)	153 (3)
N6—H6N⋯O1Wiii	0.84 (2)	2.07 (2)	2.905 (2)	177 (2)
N4—H42⋯O1Wiii	0.88 (2)	2.14 (3)	2.995 (2)	165 (2)
N4—H41⋯O1iv	0.81 (2)	2.08 (2)	2.874 (2)	169 (2)
N3—H32⋯N5	0.86 (2)	2.18 (2)	2.791 (2)	128 (2)
N3—H31⋯O2Wv	0.83 (2)	2.27 (2)	3.082 (2)	163 (2)

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