Homatropine Methylbromide (Homatropine methobromide), a quaternary ammonium salt of methylhomatropine and a peripherally acting anticholinergic medication, is potent muscarinic AChR antagonist used to treat duodenal or stomach ulcers or intestine problems.

Rivastigmine Tartrate (formerly ENA-713, SDZ-ENA 713; Exelon, Exelon Patch), the tartrate salt of rivastigmine, is a potent and reversible cholinesterase inhibitor used to treat mild to moderate dementia caused by Alzheimer’s or Parkinson’s disease.

L-Hyoscyamine (Daturine), a natural tropane alkaloid and plant toxin, is the the levo-isomer of atropine and is used for controlling symptoms associated with disorders of the gastrointestinal (GI) tract.