dexlansoprazole gastric ulcer drug molecule proton pump inhibitor. skeletal formula.

dexlansoprazole gastric ulcer drug molecule proton pump inhibitor skeletal formula dexlansoprazola dexlansoprazol antiulcer duodenal gastroesophageal reflux heartburn helicobacter pylori peptic lansoprazole enantiomer hydrogen carbon nitrogen oxygen fluorine sulfur atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon