Fused heterocycle derivative, medicinal composition containing the same, and medicinal use thereof

摘要

Disclosed are fused heterocyclic derivatives represented by the general formula (I) which exert human SGLT inhibiting activity and are useful as preventive or therapeutic agents for diseases caused by hyperglycemia, for example, diabetes, postprandial hyperglycemia, impaired glucose tolerance, complications of diabetes, and obesity; pharmacologically acceptable salts of the derivatives; medicinal compositions containing them; and use thereof as drugs; wherein G is a group represented by the general formula (G-1) or (G-2) and all other variables are as defined in the specification.