gallic acid, molecular structures, phenolic acid, 3d model, structural chemical formula and atoms with color coding

gallic acid molecular structure chemical formula model c7h6o5 phenolic atom oxygen hydrogen carbon bond molecule pharmaceutical ink chemistry drug biochemistry pharmacy science composition medical medicine atomic skeletal structural oak health illustration compound antioxidant hazel design iron line icon tea plant organic flat gall gallate gallnut sumac tannin trihydroxybenzoic structures atoms color coding coding