Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4A⋯O2i	0.85	1.94	2.783 (3)	171
O4—H4B⋯O1ii	0.85	2.03	2.872 (2)	174
O5—H5A⋯O1iii	0.85	1.99	2.831 (3)	173
O5—H5B⋯O7iv	0.85	2.00	2.843 (3)	173
O6—H6A⋯O7	0.85	2.08	2.881 (3)	157
O6—H6B⋯N1v	0.85	2.15	2.993 (3)	169
O7—H7A⋯O3vi	0.85	1.85	2.692 (3)	172
O7—H7B⋯O2iii	0.85	2.21	3.002 (3)	156

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