5-Amino-3-chloro-2-(trifluoromethoxy)pyridine-4-sulfonamide
2-(Chloromethyl)-3,6-dimethoxy-5-(trifluoromethoxy)pyridine
5-Amino-4-chloro-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Chloromethyl)-2,5-dimethoxy-3-(trifluoromethoxy)pyridine
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