Patent ID: 8669250

Claim:
Compounds of formula (1) wherein R1 is: a hydrogen atom or a halogen, a straight or branched C 1 -C 6 alkyl group or a C 1 -C 3 fluoroalkyl group, a straight or branched C 1 -C 6 alcoxy group, a carbamyl group, N-substituted or not by one or two, straight or branched C 1 -C 3 alkyl groups, or a cyano group (CN) R2 is a hydrogen atom or a straight or branched C 1 -C 6 alkyl group, Hal 1 , Hal 2 and Hal 3 are: a halogen their addition salts and the hydrates of addition salts with pharmaceutically acceptable mineral acids or organic acids, and their enantiomer forms.