| abstract |
A compound of formula (I) ** (Formula) ** in which R represents a halogen atom or a C1-4 alkyl group; R1 represents a C1-4 alkyl group; R2 represents hydrogen or a C1.4 alkyl group; R3 represents hydrogen or a C1,4 alkyl group; R4 represents a trifluoromethyl group; R5 represents hydrogen, a C1-4 or C (O) R6 alkyl group; R6 represents C1, 4 alkyl, C3-7 cycloalkyl, NH (C1-4 alkyl) or N (C1-4 alkyl) 2; m is zero or an integer from 1 to 3; n is an integer from 1 to 3; and its pharmaceutically acceptable salts and solvates. |