2-Tetradecylhexadecanoic Acid Ethyl-d5 Ester is labelled 2-Tetradecylhexadecanoic Acid Ethyl Ester (T292215), the ethyl ester of 2-Tetradecylhexadecanoic acid (T292210) which is used as a reagent to synthesize E-selectin blockers. E-Selectin is an intracellular adhesion molecule that recruits leukocytes (T-helper-1 cells) into inflamed tissues.