N-(2-Hydroxyisobutyl)-2,4,8,10,12-tetradecapentaenamide is a fatty amide.

Guaifenesin is also a centrally acting skeletal muscle relaxant. Guaifenesin has antitussive effects, it can inhibit the cough-reflex sensitivity in acute viral cough, it is an expectorant commonly by thinning the mucus or phlegm in the lungs.