| abstract |
A compound represented by general formula (I), said compound being a GPR119 agonist, or a salt thereof which is usable as an antidiabetic drug. In general formula (I): one of T 1 , T 2 , T 3 and T 4 represents N and the remainder three represent CR 5 , or T 1 , T 2 , T 3 and T 4 all represent CR 5 ; R 5 represents H, a halogen atom, a C 1-8 alkyl group, a C 1-8 alkylsulfonyl group, a 5- or 6-membered heteroaryl group or the like; R 3 and R 4 represent H or a C 1-8 alkyl group; --- represents a single or double bond; A represents (CH 2 ) m or the like; X and Y represent an optionally substituted C 1-3 alkylene group; Z represents C(O)OR 6 , an optionally substituted 5- or 6-membered heteroaryl group or the like; and R 1 and R 2 represent H, a halogen atom or the like. |