sodium nitrite, chemical structure. used as drug, food additive (e250), etc. 3d rendering. atoms are represented as spheres with

sodium nitrite nano2 food additive nitrosation carcinogenic cancer iarc nitroso cyanide antidote curing meat e250 botulism clostridium botulinum antioxidant nitrosamine disease drug therapy medicine medicinal pharmacology pharmacy pharmaceutical pharma treatment molecule atoms chemical chemistry composition atomic model molecular 3d rendering illustration