ABSTRACT
The odd m/z value of the molecular ion (m/z = 121) points out to a nitrogen compound. The relative abundance of the M+ peak accounts for the stability of the molecular ion. The loss of methyl generates the base peak of the spectrum (m/z = 106) and the subsequent loss of CO (loss of 28 mass units, M-15-28, m/z 78) gives rise to the second most abundant fragment, thus suggesting the presence of an acetyl group in the molecule.
