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