3-Methyl-7-nitro-[1,2,4]triazolo[4,3-a]pyridine
5-Methoxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid
3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole
3-Ethynylimidazo[1,2-b]pyridazine
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