4-Amino-6-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-Amino-3-(chloromethyl)-6-(difluoromethyl)pyridine-2-carboxylic acid
4-Amino-2-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethyl)pyridine
3-Amino-6-(aminomethyl)-4-(difluoromethyl)pyridine-2-acetic acid