3-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Amino-6-methyl-2-nitro-3-(trifluoromethoxy)pyridine
3-Bromo-2-cyano-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Amino-5-methoxy-6-(trifluoromethoxy)pyridine-2-methanol
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