https://doi.org/10.1351/goldbook.09835
Treatment with alkaline solution (e.g. hydrazine, \(\ce{KOH}\), \(\ce{NaOH}\)) useful for the cleavage of fatty acids.
Note: The resulting (partially or fully) O-deacylated and (fully) N-deacylated products enable the determination of the fatty acid substitution positions by mass spectrometry.