Patent ID: 8198280

Claim:
An N-hydroxyamide derivative according to Formula (I), wherein: A is N; R 1 is selected from pyridinyl, pyrazinyl, thiadiazolyl, pyrimidinyl, oxadiazolyl, quinolinyl, thienyl and benzofuranyl; R 2 is H; R 3 is selected from H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl and C 2 -C 6 alkynyl; R 4 , R 5 , R 6 and R 7 are independently selected from H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl; or R 4 and R 7 form together a —CH 2 — linkage, wherein R l and R 3 -R 7 are unsubstituted or substituted with 1 to 5 substituents selected from C 1 -C 6 alkyl, amino, halogen, carboxy, trihalomethyl, cyano, hydroxy, mercapto or nitro; or an enantiomer, diastereomer, racemate, or a pharmaceutically acceptable salt thereof.