Table 1.

¹H-NMR assignments and chemical shifts for pesticides and the nanosponge (NS)—4-chlorophenoxyacetic acid (4-CPA) complex.

H 4-CPA	δ 4-CPA (ppm)	δ NS–4-CPA (ppm)	Δδ (ppm)
OH’	13.035	12.926	−0.106
H’ 2	7.322	7.319	−0.002
H’ 3	6.937	6.934	−0.004
H’ 4	4.682	4.677	−0.004
H NS	δ NS (ppm)	δ NS–4-CPA (ppm)	Δδ (ppm)
OH 2	5.704	5.716	0.012
OH 3	5.670	5.670	0.001
OH 6	4.440	4.447	0.006
H 1	4.827	4.829	0.002
H 3	3.627	3.636	0.009
H 5	3.572	3.636	0.003
H 6	3.572	3.574	0.002