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