| abstract |
A compound having a hypoglycemic effect is provided. The compound and its pharmaceutically acceptable salt are useful for the treatment or prevention of diabetes, obesity and the like. The compound is represented by the general formula (1): (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, an amino group, a hydroxyl group, a hydroxyamino group, a nitro group, a cyano group, a sulfamoyl group, a C1 to C6 alkyl group, a C1 to C6 alkoxy, C1 to C6 alkylsulfonyl group, C1 to C6 alkylsulfinyl group, C1 to C6 alkylsulfonyl group or C1 to C6 alkoxy-C1 to C6 alkylsulfonyl group and A is substituted or unsubstituted). |