6-Bromo-3-isopropyl-[1,2,4]triazolo[4,3-a]pyridine
6-Chlorooxazolo[5,4-b]pyridin-2-amine
6-Chloro-2-methylthiazolo[5,4-b]pyridine
6-Bromo-2-methyl-3H-imidazo[4,5-b]pyridine
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