2-Amino-3-(difluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine
3-Bromo-6-chloro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Amino-6-iodo-2-methyl-3-(trifluoromethoxy)pyridine
5-Bromo-2-chloro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride