| abstract |
A compound represented by the formula (I): (I) [wherein R1 represents -S(O)p-A, -S-(O)q-B, or -O-D (wherein p and q each independently is 0 to 2; A represents optionally substituted linear C1-10 alkyl; B and D each independently represents an optionally substituted ring structure); R2 represents hydrogen, etc.; X1 and X2 each independently represents nitrogen or CH, provided that not both of X1 and X2 are nitrogen; and the structure has a nitrogen-containing, monocyclic or bicyclic heteroaryl group adjacent to the carbon atom bonded to the amide group] or a pharmaceutically acceptable salt of the compound. The compound has glucokinase activity and is useful for diabetes, diabetic nephropathy, diabetic retinopathy, diabetic neuropathy, diabetic arteriosclerosis, etc. |