Table 1.

¹H NMR chemical shifts in δ and Δδ of LVF protons in free state and LVF/SBE-β-CD 1:1 complex (10 mM in D₂O); for multiplet, doublet, or AB system, the reported δ and Δδ refer to the centered signal.

Protons	LVF	LVF/SBE-β-CD	Δδ *
CH3	1.32 (d)	1.41	+0.09
N-CH3	2.78 (s)	2.74	−0.04
(CH2)2-N-CH3	3.24 (m)	3.19	−0.05
(CH2)2-N	3.38 (s)	3.43	+0.05
2	4.29 (AB system)	4.36	+0.07
3	4.47 (d)	4.54	+0.07
8	7.28 (m)	7.47	+0.19
5	8.22 (d)	8.30	+0.08

* Δδ = δ_complex − δ_free.