| abstract |
A compound of formula (I): n nwherein:n n R 1 and R 2 together form a benzo ring optionally substituted by halogen or by alkyl, alkoxy, cyano, nitro, hydroxy, amino, alkylamino, dialkylamino or trifluoromethyl, and R 3 represents hydrogen, n or n R 1 represents hydrogen, and R 2 and R 3 together form a benzo ring optionally substituted by halogen or by alkyl, alkoxy, cyano, nitro, hydroxy, amino, alkylamino, dialkylamino or trifluoromethyl, n its enantiomers, diastereoisomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicaments. |