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