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