Disclosed is a compound represented by the formula (I) below, which has a glucokinase-activating effect and is thus useful for treatment of diabetes or obesity, or a pharmaceutically acceptable salt thereof.
In the formula, R
1
represents an aryl or the like; R
11
represents an aryl or the like; R
2
represents a formyl or the like, R
3
represents a C
1-6
alkyl or the like; R
3
represents a hydrogen atom or the like; Z
1
represents —O— or the like; Z
2
represents —O— or the like; Y
1
-Y
4
respectively represent a carbon atom or a nitrogen atom; ring A represents a heteroaryl group; X represents a carbon atom or the like; m represents an integer of 0-2; and q represents an integer of 0-2.