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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1C⋯N2i	0.89 (4)	1.78 (4)	2.673 (4)	174 (5)
O3—H3C⋯O5ii	0.90 (5)	1.72 (4)	2.609 (4)	168 (5)
O5—H5B⋯O4iii	0.86 (4)	1.93 (4)	2.775 (4)	171 (4)
O5—H5A⋯O2iv	0.852 (11)	1.903 (13)	2.739 (4)	167 (3)
N5—H5C⋯N1	0.90 (5)	1.78 (5)	2.680 (4)	175 (5)
N3—H3A⋯O6	0.86	2.24	3.079 (6)	166
N3—H3A⋯O7′	0.86	2.31	3.113 (15)	156
N3—H3B⋯O6v	0.86	2.25	3.085 (8)	166
N3—H3B⋯O6′v	0.86	2.09	2.917 (18)	162
N4—H4A⋯O8vi	0.86	2.22	3.028 (10)	157
N4—H4A⋯O8′vi	0.86	2.55	3.351 (19)	156
N4—H4B⋯O8	0.86	2.57	3.174 (13)	129
N4—H4B⋯O8′	0.86	2.57	3.25 (2)	136

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