Ethyl 5-amino-3-(difluoromethyl)-2-methoxypyridine-4-carboxylate
2-Amino-3-(bromomethyl)-4-(difluoromethyl)-6-(trifluoromethyl)pyridine
Ethyl 6-amino-2-(difluoromethyl)-3-methoxypyridine-4-carboxylate
Methyl 3-amino-5-(difluoromethyl)-4-methoxypyridine-2-acetate