Table 2.

¹H-NMR assignments and chemical shifts for pesticides and NS–2,3,4,6-tetrachlorophenol (TCF) complex.

H TCF	δ TCF (ppm)	δ NS–TCF (ppm)	Δδ (ppm)
H 1	7.215	7.136	−0.079
H 2	5.948	5.678	−0.270
H NS	δ NS (ppm)	δ NS–TCF (ppm)	Δδ (ppm)
OH 2	5.704	5.704	0.000
OH 3	5.670	5.667	0.003
OH 6	4.440	4.441	−0.001
H 1	4.827	4.825	0.002
H 3	3.627	3.625	0.002
H 5	3.572	3.570	0.002
H 6	3.655	3.653	0.002