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