Ethyl 3-amino-4-(aminomethyl)-6-(difluoromethyl)pyridine-2-acetate
Ethyl 4-chloro-3-(difluoromethyl)-5-nitropyridine-2-acetate
3-Aminomethyl-4-methyl-2-(trifluoromethyl)pyridine
Ethyl 4-(aminomethyl)-3-(difluoromethyl)-2-hydroxypyridine-5-carboxylate