| abstract |
The following fused polycyclic compound, analogues thereof or pharmaceutically acceptable salts thereof have an effect of increasing the sugar-transporting capacity and an effect of lowering the blood glucose level and, therefore, they are useful for preventing and/or treating diabetes and the like. n n nwherein R is a methoxy group, Y is a (2-thiazolyl)-2-ethylcarbonyl group, R 10 and R 13 are hydrogen atoms, and R 11 and R 12 are methyl groups. |