China Hinye Pharmaceutical Co. Ltd. has identified pyrrole sulfonyl compounds and deuterated derivatives acting as H+/K+-ATPase inhibitors reported to be useful for the treatment of peptic ulcers, Zollinger-Ellison syndrome, gastroesophageal reflux disease, dyspepsia, reflux esophagitis, Barrett esophagus, Helicobacter pylori infection and gastric cancer.