atropine drug molecule. it is plant alkaloid. structural chemical formula on the dark blue background

acetylcholine alkaloid antidote atom atropa atropin atropine atropinum belladonna blue carbon chemical chemistry compound dark datura eye eyeball formula hydrogen hyoscyamine illustration mandragora mandrake model molecule muscarine muscarinic mydriasis mydriatic neurotransmitter nightshade nitrogen ophthalmic ophthalmology organic oxygen parasympathetic poison poisonous psychiatry pupil racemic science stramonium structural structure sulfuricum toxic vector white