COMPOUND, PHARMACEUTICAL COMPOSITION, AND METHOD FOR PREVENTING, TREATING OR IMPROVING DISEASES OF THE IMMUNE SYSTEM.

摘要

the present invention relates to a compound according to formula (i), or pharmaceutically acceptable solvates, hydrates or salts thereof; where r1 is c1-alkyl, r2 is c1-alkyl, r3 is c2-alkyl, r4 is hydrogen, r5 is hydrogen. the invention further relates to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to said compounds for use in the treatment of autoimmune diseases and to intermediates for the preparation of said compounds.