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