| abstract |
The present invention relates to benzofuran derivatives, processes for their preparation and their use in medicine. Specifically, the present invention relates to a novel benzofuran derivative represented by the formula (I), a process for producing the same, a pharmaceutical composition containing the same, and a therapeutic agent thereof, particularly as a gastric acid secretion inhibitor And the use of a potassium ion competitive acid blocker (P-CABs), wherein each substituent of the formula (I) is the same as defined in the specification. □ |