Region 1 from 8.216 to 8.022 ppm
Region 2 from 5.812 to 5.636 ppm
Region 3 from 5.612 to 5.492 ppm
Region 4 from 3.469 to 3.352 ppm
Region 5 from 2.017 to 1.823 ppm
Region 6 from 1.638 to 1.506 ppm
Region 7 from 1.180 to 1.004 ppm
