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