The second and small metabolic pathway includes the reaction of cyanide with cystine to yield cysteine and β-thiocyanoalanine (Wood and Cooley 1955). An antidotal mix of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate will often be indicated. The IPCS/CEC (1993) critique of antidotes for cyanide poisoning observed https://potassiumcyanideacidorbas87433.jts-blog.com/28985792/top-latest-five-potassium-cyanide-a-poison-urban-news