<unk> (Injection) is an anticholinergic that is FDA approved for the treatment of the treatment of poisoning by susceptible organophosphorous nerve agents,  pre-anesthetic medication in surgical patients, pylorospasm, antidote for mushroom poisoning due to muscarine in certain species such as Amanita muscaria.   Common adverse reactions include mild to moderate pain, dryness of the mouth, blurred vision, photophobia, confusion, headache, dizziness, tachycardia, palpitations, flushing, urinary hesitance or retention, constipation, abdominal distention, nausea, vomiting, loss of libido, and impotency.
Atropine 
Neostigmine
Physostigmine
Homatropine
Suxamethonium chloride
Pyridostigmine
Neostigmine methylsulfate
Thiocarboxime