| abstract |
Compounds of formula (I), wherein R5 is an [A]-CH3, -[A]-C(OH)ZZ' or -[A]-C(O)Z' grouping where -[A]- is an alkylene, alkenylene or alkynylene radical or a single bond, and Z, Z' and Z' are a hydrogen atom or an optionally substituted alkyl, alkenyl, alkynyl or aryl radical; and R1, R2, R3, R4, R6, R7 and R8 are as defined in the description; the use thereof as a drug, pharmaceutical compositions containing same, a preparation method therefor, and intermediates of said method, are disclosed. |