Methyl 2-(difluoromethyl)-6-methyl-4-(trifluoromethyl)pyridine-3-carboxylate
5-(Difluoromethyl)-4-methyl-3-(trifluoromethyl)pyridine-2-carboxylic acid
Methyl 2-(difluoromethyl)-6-methyl-3-(trifluoromethyl)pyridine-4-carboxylate
3-(Difluoromethyl)-2-methyl-6-(trifluoromethyl)pyridine-5-carboxylic acid