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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O12—H12A⋯O2i	0.947 (10)	1.802 (15)	2.715 (3)	161 (3)
O12—H12A⋯O1i	0.947 (10)	2.391 (16)	3.299 (3)	161 (3)
O12—H12B⋯O17ii	0.949 (10)	1.658 (12)	2.599 (3)	171 (4)
O16—H16B⋯O4iii	0.94 (3)	2.01 (3)	2.939 (3)	170 (3)
O16—H16A⋯O7	0.943 (10)	2.00 (2)	2.803 (3)	142 (3)
O17—H17A⋯O1	0.94 (3)	1.883 (16)	2.776 (3)	159 (3)
O17—H17B⋯O7iv	0.939 (10)	1.983 (12)	2.909 (3)	169 (3)
N1—H1B⋯O10iv	0.948 (10)	2.09 (3)	2.795 (3)	130 (3)
N1—H1B⋯O10ii	0.948 (10)	2.24 (3)	2.929 (3)	129 (3)
N1—H1A⋯O9ii	0.94 (3)	2.16 (2)	2.992 (3)	146 (3)
N1—H1A⋯O14	0.94 (3)	2.40 (3)	2.985 (3)	120 (3)
N1—H1C⋯O16ii	0.948 (10)	1.96 (2)	2.811 (3)	148 (3)
N1—H1C⋯O6v	0.948 (10)	2.36 (3)	3.038 (3)	128 (3)
N1—H1D⋯O17	0.95 (3)	2.17 (3)	2.859 (3)	129 (3)
N1—H1D⋯O8v	0.95 (3)	2.47 (3)	3.097 (3)	124 (3)
N1—H1D⋯O5	0.95 (3)	2.60 (3)	3.203 (3)	122 (3)
N2—H2A⋯O16	0.946 (10)	2.001 (14)	2.923 (3)	164 (3)
N2—H2B⋯O4	0.945 (10)	1.927 (14)	2.852 (3)	165 (3)
N2—H2C⋯O11vi	0.946 (10)	1.999 (15)	2.912 (3)	162 (3)
N2—H2C⋯O7iii	0.946 (10)	2.65 (3)	3.169 (3)	115 (3)
N2—H2D⋯O3vii	0.94 (3)	2.36 (3)	3.089 (3)	134 (3)
N2—H2D⋯O14ii	0.94 (3)	2.29 (3)	2.961 (3)	128 (3)

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