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