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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1B⋯O5i	0.90	2.35	3.1715 (16)	152
N2—H2A⋯O2ii	0.90	2.33	3.2174 (14)	170
O1—H1F⋯O2iii	0.77 (2)	2.08 (2)	2.8345 (15)	165 (2)
O4—H4A⋯O2iii	0.80 (2)	2.10 (2)	2.8765 (16)	165 (2)
O4—H4B⋯O2iv	0.82 (3)	2.07 (3)	2.8965 (16)	178 (2)
O5—H5B⋯O4v	0.77 (2)	2.10 (3)	2.8730 (19)	177 (2)
N1—H1A⋯O4	0.90	2.38	3.2442 (17)	160
N2—H2B⋯O3	0.90	2.04	2.9333 (14)	174
O1—H1E⋯O5	0.80 (2)	1.93 (2)	2.7311 (16)	175.8 (19)
O5—H5A⋯O3	0.80 (2)	1.94 (2)	2.7296 (16)	166 (2)

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