Compounds selected from the group No. Structure formula and / or name "A1" 3-ethyl-4- [5- (3-fluor-benzylamino) - [1,3,4] oxadiazol-2-yl] -methyl-phenol "A2" 3-ethyl-4- [5- (3-methoxy-benzylamino) - [1,3,4] oxadiazol-yl] -2-methyl-phenol "A3" 3-ethyl-4- {5- [ (R) -1- (3-Methoxy-phenyl) -ethylamino] - [1,3,4] oxadiazol-2-yl} -2-methyl-phenol "A4" 4- (5-amino- [1,3 , 4] oxadiazol-2-yl) -3-ethyl-2-methyl-phenol "A5" 6- [5- (3-fluor-benzylamino) - [1,3,4] oxadiazol-2-yl] -pyridine -3-ol "A6" 2,3-difluoro-4- [5- (3-fluor-benzylamino) - [1,3,4] oxadiazol-2-yl] -phenol as well as salts and stereoisomers thereof that they can be used pharmaceutically, including mixtures thereof in any proportion.Compuestos seleccionados del grupo Nº Fórmula de la estructura y/o nombre "A1" 3-etil-4-[5-(3-fluor-bencilamino)-[1,3,4]oxadiazol-2-il]-metil-fenol "A2" 3-etil-4-[5-(3-metoxi-bencilamino)-[1,3,4]oxadiazol-il]-2-metil-fenol "A3" 3-etil-4-{5-[(R)-1-(3-metooxi-fenil)-etilamino]-[1,3,4]oxadiazol-2-il}-2-metil-fenol "A4" 4-(5-amino-[1,3,4]oxadiazol-2-il)-3-etil-2-metil-fenol "A5" 6-[5-(3-fluor-bencilamino)-[1,3,4]oxadiazol-2-il]-piridina-3-ol "A6" 2,3-difluoro-4-[5-(3-fluor-bencilamino)-[1,3,4]oxadiazol-2-il]-fenol así como sales y estereoisómeros de los mismos que pueden utilizarse farmacéuticamente, incluyendo las mezclasde los mismos en cualquier proporción.