potassium cyanide (kcn) poison, flat icon style. atoms shown as color-coded circles (potassium - purple, carbon - grey, nitrogen

pit apricot zyklon gas chamber chemical weapon cyclone tobacco cherry hydrogen cyanide prussic acid almond poison fruit toxin toxic poisoning toxicology kcn potassium flat icon silhouette outline concept abstract stylized illustration isolated shape form symbol pharmaceutical pharma simple chemistry atoms molecule science scientific structure circle line carbon nitrogen