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