acetylcholine molecule, structural chemical formula, ball-and-stick model, image ach

acetylcholine ach molecule molecular structure chemical formula isolated white background c7h16no2 neurotransmitter atom chemistry science nervous system biochemistry muscle compound neuron pharmaceutical scientific autonomic cholinergic receptor agent education medical medicine nerve research structural insecticide nicotine acetic acetyltransferase cholinesterase enzyme gravis ligand muscarine organophosphate quaternary ball- -stick model image ball- -stick ach