2-Amino-3-methyl-5-(trifluoromethoxy)pyridine-4-sulfonamide
6-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid