What is the trade name of Atropine?

Atropine is a medication known for its use in various medical scenarios, particularly in treating bradycardia (slow heart rate) and as an antidote for certain types of poisoning. The trade name "AtroPen" is associated with atropine and is recognized in various medical settings, especially in emergency medicine. This name is derived from its active ingredient, atropine sulfate, which is delivered in a form suitable for quick administration via injection. The other options do not correspond to any known or recognized trade names for atropine; they are not linked to the actual uses or formulations of the drug in clinical practice. Thus, "AtroPen" is the correct answer as it is the established trade name for atropine in medical applications.