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