Position (ppm)

Width Δ (ppm)

268.83

P1

4.56

152.24

4.65

144.43

1.55

135.74

4.53

130.97

P2

4.00

128.73

2.55

120.14

2.15

117.28

1.77

108.82

P3

2.39

102.94

3.30

92.09

4.16

87.75

2.37