Patent ID: 7026334

Claim:
A compound represented by the formula (II): or its prodrug; or a pharmaceutically acceptable salt or solvate thereof, wherein X 2 is an optionally substituted 5-member thiazole ring: Y 2 is —NR G CO—(CH 2 ) 0-2 —, wherein R G is a hydrogen atom or an optionally substituted lower alkyl; Z 2 is an optionally substituted phenylene; A 2 is a thiazolidine ring represented by the formula: wherein R 1 and R 2 are both hydrogen atoms or taken together may form an oxygen atom or a sulfur atom, R 3 and R 4 are both hydrogen atoms or taken together may form an oxygen atom or a sulfur atom, Q and V are chosen from —S—, and —NR—, wherein R B is a hydrogen atom or lower alkyl; and a broken line ( - - - ) represents the presence or absence of a bond.