dimercaprol
: a colorless viscous oily compound CH2(SH)CH(SH)CH2OH with an offensive odor developed as an antidote to lewisite but now used in treating poisoning by compounds of arsenic and heavy metals (as mercury and gold); 2,3-di-mercapto-1-propanol — called also
BAL, British anti-lewisite
Useful english dictionary.
2012.