This 13C spectrum exhibits resonances at the following chemical shifts:

Shift (ppm)
191.6 128.0
152.4 115.0
147.7 109.4
130.0 56.6

Point to a peak to learn more about it. Note: The peak at 130.4 ppm is much smaller than the one at 130.5 ppm. Also, the 1H spectrum is often helpful.

Click on the Solution button to view the answer.