3-(Difluoromethyl)pyridine-5-carbonyl chloride
Methyl 2-(aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetate
4-(Aminomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Aminomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid