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