Direct Red 80 is a tetra azo dye. It can be used to detect amyloid and can magnify the usual birefringence of collagen fibers in tissue sections.

Semilicoisoflavone B can inhibit sorbitol formation of rat lens incubated with a high concentration of glucose, indicates that it may be effective for preventing osmotic stress in hyperglycemia.

Nepsilon-Acetyl-L-lysine is a derivative of the amino acid lysine.