3-Amino-5-(difluoromethyl)-4-methylpyridine-2-carboxylic acid
5-Amino-4-(difluoromethyl)-2-methylpyridine-3-carboxylic acid
Methyl 4-amino-3-(difluoromethyl)-5-methylpyridine-2-carboxylate
4-Amino-6-(difluoromethyl)-3-methylpyridine-2-carboxylic acid