Ezetimibe. Molecular model of the drug ezetimibe (C24.H21.F2.N.O3). This drug, sold under the brand name Zetia, lowers plasma cholesterol levels. It acts by decreasing cholesterol absorption in the small intestine. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (dark blue), oxygen (red) and fluorine (light blue).