| abstract |
This invention relates to compounds represented by the general formula [I]n nwherein, R represents an azido group, etc., R 1 and R 2 are the same or different andnrepresent hydrogen atoms, etc., R 3 and R 4 are the same or different and representnhydrogen atoms, etc., X 1 represents an oxygen atom, etc., X 2 represents an oxygennatom, etc., Y represents an oxygen atom, etc., and Z represents a condensed aryl group,netc., or a pharmaceutically acceptable salt thereof, preparation processes thereof, andnan agent for treating diabetes, a prophylactic agent for chronic complications ofndiabetes or a drug against obesity, containing, as an effective ingredient, the compoundnor the pharmaceutically acceptable salt thereof. |