potassium benzoate molecule, structural chemical formula, ball-and-stick model, image e212

potassium benzoate e212 salt food preservative molecule molecular structure chemical formula isolated model c7h5ko2 atom chemistry acid compound yeast carbon hydrogen vitamin liver nutritional oxygen atomic composition health skeletal supplement additive amino nitrogen para benzoic irritable bond science drawing syndrome healthcare medicine 4aminobenzoic aminobenzoate structural ball- -stick image ball- -stick e212