The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.
Butropium is a quaternary ammonium antimuscarinic with peripheral effects similar to those of atropine. It is indicated to treat pain caused by gastrointestinal inflammation and ulcers, or diseases of the gallbladder.
Butylscopolamine is an antispasmodic agent which relaxes smooth muscle of the organs of the abdominal and pelvic cavities. It is believed to act predominantly on the intramural parasympathetic ganglia of these organs.
Methscopolamine is an anticholinergic. The mechanism of action of methscopolamine is as a cholinergic antagonist.