Patent ID: 8377923

Claim:
A triazole derivative represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein the symbols have the following meanings: R 1 : X 1 and X 2 : the same as or different from each other, C(H), C(halogen) or N, R 11 : halogen; R 2 : methyl; R 3 : methyl; R 4 : C 1-3 alkyl; and Ring A: phenyl in which the 4-position is substituted with —CONH 2 and the 2-position may be substituted with a group selected from halogen and halogeno-lower alkyl, phenyl in which the 2- and 4-position are substituted with halogen, or phenyl in which the 2-position is substituted with trifluoromethyl and the 4-position may be further substituted with halogen.