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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H51⋯O4i	0.85	2.58	3.177 (4)	128
O5—H52⋯O4ii	0.85	1.90	2.748 (4)	174
N2—H2⋯O2iii	0.86	2.09	2.943 (4)	171
N4—H4⋯O7	0.86	2.03	2.847 (4)	158
O6—H6F⋯O5iv	0.85	2.50	3.259 (4)	149
O6—H6G⋯O4v	0.85	2.30	3.057 (5)	148
O7—H7C⋯O3vi	0.85	2.03	2.882 (4)	178
O7—H7D⋯O6	0.85	1.97	2.818 (4)	177

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