4-Ethyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile
3-Amino-2-(pyridin-4-yl)quinazolin-4(3h)-one
3-Amino-2-(pyridin-3-yl)quinazolin-4(3h)-one
3-Amino-2-(pyridin-2-yl)quinazolin-4(3h)-one
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