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