benzoic acid molecular structure 3d, flat model, aromatic carboxylic acid, structural chemical formula view from a microscope

benzoic acid aromatic carboxylic bzoh molecule molecular structure chemical formula model c7h6o2 atom chemistry science illustration compound organic bond biology atomic preservative medical research biochemistry element carbon hydrogen additive food agent cosmetic education laboratory oxygen particle prevention symbol e210 medicine pharmacy physics scientific ball flat structural view from microscope microscope