N-methyl-4-nitro-1-oxido-N-phenylpyridin-1-ium-3-amine

3-(2-chlorophenoxy)pyridin-4-amine

3-(2,4-dichlorophenoxy)pyridin-4-amine

N-(3-phenylsulfanylpyridin-4-yl)methanesulfonamide

3,10-dimethylpyrido[4,3-g]pteridine-2,4-dione