2-Amino-6-(difluoromethyl)pyridine-3-carboxylic acid
Ethyl 4-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
4-Amino-2-(difluoromethyl)pyridine-3-acetic acid
3-(Chloromethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylic acid