Chemical Class tropane alkaloid Actions anticholinergic Sources deadly nightshade Jimson weed Combinations phenobarbital-scopolamine-hyoscyamine-atropine phenobarbital-hyoscyamine-atropine promethazine-scopolamine-hyoscyamine-atropine difenoxin-atropine diphenoxylate preparations 2.5 mg/25 ug AtSO4 difenoxin preparations - 0.5 mg/25 ug AtSO4/du Movies Altered States Extremities Flatliners Short Cuts