The 2nd and slight metabolic pathway is made of the reaction of cyanide with cystine to generate cysteine and β-thiocyanoalanine (Wooden and Cooley 1955). Initially learned in 1786 by Scheele, who extracted it from the dye Prussian blue – and immediately died from exposure for the vapours • Brief DRENCH https://waylonwuwkv.blogrelation.com/35673334/the-potassium-cyanide-hazard-symbol-diaries