2-(Aminomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonamide
2-(Aminomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylic acid