3,4-Dimethyl-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Amino-6-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
2,6-Dimethyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3,6-Dimethyl-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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