3-(Difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine-2-carboxylic acid
3-(Difluoromethyl)-4-methoxy-5-(trifluoromethyl)pyridine-2-carboxylic acid
6-(Aminomethyl)-4-(difluoromethyl)-3-methyl-2-nitropyridine
2-(Aminomethyl)-4-(difluoromethyl)-3-methyl-6-nitropyridine