(+/-)-N-{3-[4-amino-2-oxo-1-(tetrahydro-2-thienyl)-1,2-dihydropyrimidin-5-yl]prop-2-yn-1-yl}-N-methylcyclopropanesulfonamide

(±)-5-{3-[2-cyclohexyl-4-(propan-2-yloxy)-1H-benzimidazol-1-yl]prop-1-yn-1-yl}-1-(tetrahydrothien-2-yl)cytosine

(±)-5-[3-(2-propyl-1H-imidazol-1-yl)propyn-1-yl]-1-(tetrahydrothien-2-yl)cytosine

(±)-5-[3-(2-isobutyl-1H-imidazol-1-yl)prop-1-yn-1-yl]-1-(tetrahydrothien-2-yl)cytosine

(±)-5-{3-[2-cyclohexyl-5-(trifluoromethyl)-1H-benzimidazol-1-yl]prop-1-yn-1-yl}-1-(tetrahydrothien-2-yl)cytosine