摘要 |
Compounds of general formula (I): <IMAGE> in which: R1, R2, R3 and R4, which may be identical or different, denote a hydrogen atom, a halogen atom or a lower alkyl, lower alkenyl, lower alkyloxy or lower alkenyloxy group, optionally substituted with one or more halogen atoms, R5 denotes a carboxyl, (lower alkyloxy)carbonyl, (lower alkenyloxy)carbonyl or (lower alkynyloxy)-carbonyl, their isomers, stereoisomers and diastereoisomers, and also their addition salts with a pharmaceutically acceptable base. Medicinal products. |