| abstract |
Derivatives of formula (I), wherein R is a C1-6 lower alkyl radical, a C1-6 lower haloalkyl radical or an NH2 grouping; A is an aromatic ring (a) or a heterocyclic thiophene, furan, pyriding or pyrimidine ring; each of Y1 and Y2, which are the same or different, is a hydrogen atom, a halogen atom, an OR' radical where R' is a hydrogen atom or a C1-6 lower alkyl radical, a C1-6 lower alkyl radical, and SO2R grouping where R has the meaning given above; and Y3 is a hydrogen atom or a C1-6 lower alkyl radical; and the therapeutical use thereof, particularly as drugs having anti-inflammatory and pain relieving properties, are disclosed. |