5-Amino-2-(aminomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
4-Amino-5-(aminomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-5-carboxaldehyde
5-Amino-3-(aminomethyl)-4-(difluoromethyl)pyridine-2-carboxylic acid