2-Amino-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
3-Amino-4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine
Ethyl 3-amino-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Amino-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid