Patent ID: 7968552

Claim:
An oxadiazolidinedione compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof, (symbols in the formula represent the following meanings, R 1 : —H, halogen, —R 0 , halogeno-lower alkyl, —OR z , —S—R 0 or —O-halogeno-lower alkyl, R 0 : lower alkyl, R z : the same or different from each other and each represents —H or lower alkyl, L: *-lower alkylene-O—, *-lower alkylene-N(R z )— or *-CON(R z )—, wherein the * in L represents binding to ring A and the substituting position of L on ring B is the 4-position, ring A: benzene, ring B: benzene, R 2 : respectively the same or different from one another and each represents -halogen, —R 0 , halogeno-lower alkyl, —O—R z , —S—R 0 , —O-halogeno-lower alkyl, —O-lower alkylene-aryl or oxo, n: 0, 1 or 2, R 3 : phenyl or pyridyl which may respectively be substituted, R 4 : —H or lower alkyl).