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