4-Amino-3-(difluoromethyl)-5-methoxypyridine-2-carboxylic acid
3-Amino-5-(bromomethyl)-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-carboxylic acid
3-Amino-4-(bromomethyl)-2-(difluoromethyl)-6-(trifluoromethyl)pyridine