2-Methyl-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonamide
3-(Fluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Fluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-5-acetic acid
2-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide