pantoprazole gastric ulcer drug molecule (proton pump inhibitor). atoms are represented as spheres with conventional color coding

pantoprazole pantoprazola pantoprazol antiulcer proton pump inhibitor gastric ulcer duodenal gastroesophageal reflux heartburn helicobacter pylori peptic hydrogen carbon nitrogen oxygen sulfur fluorine disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular