5-(Fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Methoxy-4-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Methoxy-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride