Compound

Substituent

Longitudinal relaxation time (T1)/s

1'/β

1'

α

β

1

ethyl

14.50

10.30

10.70

1.36

2

t-butyl

13.50

8.58

9.06

1.49

3

pentadecyl

6.14

3.72

3.87

1.59

4

octadecyl

5.23

3.13

3.55

1.47

5

benzyl

9.91

-

6.84

1.45

6

diphenylmethyl

6.38

4.60

4.69

1.36

7

triphenylmethyl

6.97

3.12

3.12

2.23

8

o-methylphenyl

8.44

5.59

5.78

1.46

9

o-hydroxyphenyl

5.66

2.83

4.24

1.33

10

o-(hydroxymethyl)phenyl

7.08

3.03

3.86

1.83

11

1-hydroxyethyl

9.51

7.21

7.59

1.25

12

1-hydroxypentyl

7.13

3.35

4.26

1.67

13

1-hydroxydecyl

7.32

3.61

4.61

1.59

14

1-hydroxypentadecyl

6.11

2.89

4.00

1.53

15

1-hydroxybenzyl

6.46

?

3.31

1.95