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