3-Amino-6-(difluoromethyl)-4-nitropyridine-2-acetonitrile
2-Amino-3-(difluoromethyl)-6-methyl-4-(trifluoromethyl)pyridine
Ethyl 4-amino-5-(aminomethyl)-2-(difluoromethyl)pyridine-3-carboxylate
3-Amino-2-(difluoromethyl)-4-nitropyridine-5-acetonitrile