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