MES (2-Morpholinoethanesulphonic acid), a zwitterionic buffer, is effective in the pH range of 5.5-7.7. MES, as one of the Good’s buffers, is broadly used to regulate pH value for plants culture medium, reagent solution, and physiological experiments.

4-Methylsalicylic acid is used to inhibit the medium chain acyl-CoA synthetase.

Ac-Phe-Nle-Arg-Phe-NH2