tert-butyl 2-(2',6'-dimethyl-4'-oxo-4H,4'H-[1,1'-bipyridin]-4-yl)acetate

2,6-dimethyl-4'-(3-methyl-2-oxobutyl)-4H,4'H-[1,1'-bipyridin]-4-one

4'-(3,3-dimethyl-2-oxobutyl)-2,6-dimethyl-4H,4'H-[1,1'-bipyridin]-4-one

2,6-dimethyl-4'-(1-oxo-1-phenylpropan-2-yl)-4H,4'H-[1,1'-bipyridin]-4-one

4'-(benzylthio)-2,6-dimethyl-4H,4'H-[1,1'-bipyridin]-4-one