2-Chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine
2-Phenyl-1-(pyridin-2-yl)ethanone
2-Bromo-4,6-dichlorothieno[2,3-b]pyridine
1-(5-Bromopyridin-2-yl)-2,2,2-trifluoroethanone
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