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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2O⋯O1i	0.84 (2)	1.80 (2)	2.6402 (16)	174 (2)
O4—H4O⋯O3ii	0.81 (2)	1.84 (2)	2.6478 (16)	178 (2)
C5—H5⋯O3iii	0.95	2.42	3.323 (2)	158
C20—H20⋯O1iii	0.95	2.52	3.3072 (19)	141

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