Disclosed is a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound. Examples of compounds of the invention are: 4-(1-(5-acetyl-4-methylthiazol-2-yl)cyclopropyl)-N-hydroxybenzamide N-hydroxy-4-(1-(4-(imidazo[1,2-a]pyridin-3-yl)thiazol-2-yl)cyclopropyl)benzamide N-hydroxy-4-(1-(4-(1-isopropyl-2-methylimidazol-5-yl)thiazol-2-yl)cyclopropyl)benzamide Diseases may be selected from cell proliferative disease, autosomal dominant disorder, genetic related metabolic disorder, fibrosis, autoimmune disease, diabetes, neurological disease, and Alzheimers disease.