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