Abstract: Compounds of formula (I): wherein: R1 represents hydrogen, alkylcarbonyloxyalkyl or alkylcarbonylthioalkyl, R2 represents hydrogen, alkylcarbonyloxyalkyl, arylcarbonylthioalkyl or optionally substituted arylalkyl, R3 represents phenyl, which is optionally substituted, or indolyl, their isomers, and addition salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of arterial hypertension and complications thereof.

Abstract: Compounds of formula (I): wherein: R1 represents aryl or heteroaryl, R2 represents hydrogen, halogen or hydroxy, X represents oxygen or sulphur, Y represents oxygen, sulphur or NR wherein R represents hydrogen or alkyl, A represents CR4R5 or NR4, R3 represents hydrogen, alkyl or cycloalkyl, R4 represents hydrogen or alkyl, or A represents nitrogen and, together with adjacent —CHR3—, forms the ring wherein m represents 1, 2 or 3, R5 represents hydrogen or halogen, their isomers and also their addition salts Medicaments.

Abstract: A compound selected from those of formula (I): wherein: X and Y represent hydrogen, halogen, hydroxy, mercapto, cyano, nitro, alkyl, alkoxy, trihaloalkyl, optionally substituted amino, methylenedioxy, or ethylenedioxy, R1 represents hydrogen, or alkyl, R2 represents hydrogen, hydroxy, alkyl, alkoxy, alkylcarbonyloxy, or optionally substituted amino, R3 and R4 represent hydrogen, or alkyl, R5 and R6 represent —O—CO—U—V wherein U and V are as defined in the description, or Z as defined in the description, it being understood that at least one of the R5 and R6 groups represents —O—CO—U—V, their isomers, N-oxides, and pharmaceutically-acceptable acid or base addition salts thereof, and medicinal products containing the same which are useful in the treatment of cancer.