hydroxocobalamin molecular structure 3d, flat model, vitamin b12a, structural chemical formula view from a microscope

hydroxocobalamin vitamin b12a hydroxycobalamin molecule molecular structure chemical formula model c62h89con13o15p atom chemistry oxygen factor skeletal anemia poisoning supplement vegetarian cobalt carbon medicine deficiency nitrogen disease generic pharmaceutical science therapy treatment drug cobalamin cyanide intrinsic malabsorption phosphorus health biochemical organic b12 bond hormone pharmacology stimulant poison flat structural view from microscope microscope