Patent ID: 7820847

Claim:
A compound of the formula I: in which R 1 represents a (C 6 -C 10 )aryl group, which is optionally substituted and/or fused to a carbocyclic or heterocyclic monocyclic 5- to 8-membered nucleus containing from 0 to 4 hetero atoms chosen from O, N and S, which is itself optionally substituted; or an optionally substituted C 2 -C 10 alkenyl group; R 2 is a substituted phenyl; R 3 is a substituted phenyl; and R represents a hydrogen atom; a C 1 -C 10 alkyl group; a (C 6 -C 10 )aryl (C 1 -C 10 )alkyl group; or a salt thereof with acids or bases, or a pharmaceutically acceptable derivative, or stereoisomer thereof, including mixtures thereof in all proportions.