Ethyl 4-bromo-5-cyano-2-(trifluoromethoxy)pyridine-3-carboxylate
5-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-methanol
6-Bromo-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
3-Amino-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-methanol