| abstract |
A compound represented by the following formula: or a salt thereof:n□ "In the formula, R1 represents a C1-6 alkyl group; R2 represents a hydrogen atom; R3 represents a halogen atom; Z1, Z2 and Z3 represent CH or the like; X1 represents CONH or the like; Ring A represents a phenyl group; and R4 represents a halogen. An atom or the like; m represents an integer of 0 to 5", which has excellent CXCL10 inhibitory activity, and is a therapeutic agent for prevention and/or treatment of a disease associated with excessive production of CXCL10. |