5-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Aminomethyl)-3-methoxy-4-nitro-2-(trifluoromethoxy)pyridine
4-Methoxy-5-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-Methoxy-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide