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