Glyoxylic acid or oxoacetic acid is an organic compound that is both an aldehyde and a carboxylic acid.It is an intermediate of the glyoxylate cycle which enables certain organisms to convert fatty acids into carbohydrates. The conjugate base of glyoxylic acid is known as glyoxylate.

Acetyl-L-carnitine hydrochloride is a blood-brain permeable acetyl ester of the amino acid L-carnitine found in the body. Acetyl-L-carnitine hydrochloride is often used as a dietary supplement, and exibits anti-stress-related psychiatric disorders.

N-benzyl-heptadecanamide is a macamide in maca.