2-Bromo-5-(difluoromethyl)pyridine-3-carboxylic acid
2-Bromo-4-(difluoromethyl)pyridine-3-carboxylic acid
3-(Difluoromethyl)-4-nitro-5-(trifluoromethyl)pyridine
2-Bromo-3-(difluoromethyl)pyridine-4-carboxylic acid
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