6-(Aminomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Amino-5-(difluoromethyl)-3-nitropyridine-4-sulfonamide
6-(Aminomethyl)-3-chloro-4-(difluoromethyl)pyridine-2-carboxylic acid
Methyl 2-amino-3-(difluoromethyl)-6-iodopyridine-4-acetate