5-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
6-(Aminomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-methanol
3-Cyano-2-nitro-5-(trifluoromethoxy)pyridine-4-acetic acid