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