ISOQUINOLINE COMPOUNDS, METHODS FOR THEIR PREPARATION, AND THERAPEUTIC USES THEREOF IN CONDITIONS ASSOCIATED WITH THE ALTERATION OF THE ACTIVITY OF BETA GALACTOSIDASE

摘要

The application is directed to compounds of formula (I) : (I), and formula (IA): (IA) and their salts and solvates, wherein R1, R2, R3, R4, R5, n, A1, A2, A3, and Y are as set forth in the specification, as well as to a method for their preparation, pharmaceutical compositions comprising the same, and use thereof for the treatment and/or prevention of conditions associated with the alteration of the activity of β-galactosidase, specially galactosidase beta- 1 or GLB 1, including GM 1 gangliosidoses and Morquio syndrome, type B.