lysidine

from The Century Dictionary.

• noun A bright red basic compound, , prepared by the action of ethylenediamine hvdrochlorid on sodium acetate. It melts at 105° C., boils at 195–198° C., and is used medicinally in cases of gout to remove uric acid, its salt with which is extremely readily soluble. Also called ethylene ethenyldiamine and μ -methylglyoxalidine.