Edetate disodium (EDTA) is a chelating agent. A chelating agent is capable of removing a heavy metal, such as lead or mercury, from the blood.

Phenosporin (Phenosporin, Phenosporin, Phenosporin, Phenosporin, Phenosporin) molecule. 3d rendering. Atoms are represented as spheres with conventional color coding: hydrogen (white), carbon (grey), oxygen (red), nitrogen (blue).