4-Amino-2-(difluoromethyl)-6-fluoropyridine-3-acetonitrile
Ethyl 2-amino-5-(difluoromethyl)-4-methoxypyridine-3-carboxylate
Methyl 5-amino-2-(difluoromethyl)-4-methoxypyridine-3-carboxylate
Methyl 4-amino-5-(difluoromethyl)-2-methoxypyridine-3-carboxylate