dimercaprol

di·mer·cap·rol

noun \ˌdī-(ˌ)mər-ˈkap-ˌrȯl, -ˌrōl\

Definition of DIMERCAPROL

: a colorless viscous oily compound C₃H₈OS₂ with an offensive odor developed as an antidote to lewisite and used in treating arsenic, mercury, and gold poisoning—called also BAL, British anti-lewisite