Methyl 6-bromo-4-fluoronicotinate
2,6-Dibromo-3-(difluoromethyl)pyridine-5-sulfonyl chloride
2-Bromo-4-iodo-3-nitro-5-(trifluoromethoxy)pyridine
2-(Aminomethyl)-4-(difluoromethyl)-3-iodopyridine
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