Methyl 3-amino-6-(difluoromethyl)-4-methoxypyridine-2-carboxylate
Methyl 5-amino-2-(difluoromethyl)-3-methoxypyridine-4-carboxylate
2-Amino-6-(difluoromethyl)-4-methoxypyridine-3-carboxylic acid
2-Amino-5-(difluoromethyl)-3-methoxypyridine-6-methanol